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Finding the Fourth Proportional to 123,315.60, 184,973.40 and 64,266.60

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Solution

The fourth proportional to 123,315.60, 184,973.40 and 64,266.60 is: 96,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,315.60 : 184,973.40 = 64,266.60 : x
  2. Step 2: Convert to fraction form
    123,315.60/184,973.40 = 64,266.60/x
  3. Step 3: Cross multiply
    123,315.60x = 184,973.40 × 64,266.60
  4. Step 4: Simplify right side
    123,315.60x = 11,887,611,508.44
  5. Step 5: Solve for x
    x = 11,887,611,508.44/123,315.60
  6. Step 6: Final answer
    x = 96,399.90

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