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Finding the Fourth Proportional to 455,588.12, 683,380.56 and 123,164.12

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Solution

The fourth proportional to 455,588.12, 683,380.56 and 123,164.12 is: 184,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,588.12 : 683,380.56 = 123,164.12 : x
  2. Step 2: Convert to fraction form
    455,588.12/683,380.56 = 123,164.12/x
  3. Step 3: Cross multiply
    455,588.12x = 683,380.56 × 123,164.12
  4. Step 4: Simplify right side
    455,588.12x = 84,167,965,297.51
  5. Step 5: Solve for x
    x = 84,167,965,297.51/455,588.12
  6. Step 6: Final answer
    x = 184,745.74

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