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Finding the Fourth Proportional to 55,961.03, 77,223.89 and 30,808.91

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Solution

The fourth proportional to 55,961.03, 77,223.89 and 30,808.91 is: 42,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.03 : 77,223.89 = 30,808.91 : x
  2. Step 2: Convert to fraction form
    55,961.03/77,223.89 = 30,808.91/x
  3. Step 3: Cross multiply
    55,961.03x = 77,223.89 × 30,808.91
  4. Step 4: Simplify right side
    55,961.03x = 2,379,183,722.82
  5. Step 5: Solve for x
    x = 2,379,183,722.82/55,961.03
  6. Step 6: Final answer
    x = 42,515.01

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