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Finding the Fourth Proportional to 77,201.76, 106,360.56 and 59,276.64

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Solution

The fourth proportional to 77,201.76, 106,360.56 and 59,276.64 is: 81,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201.76 : 106,360.56 = 59,276.64 : x
  2. Step 2: Convert to fraction form
    77,201.76/106,360.56 = 59,276.64/x
  3. Step 3: Cross multiply
    77,201.76x = 106,360.56 × 59,276.64
  4. Step 4: Simplify right side
    77,201.76x = 6,304,696,625.32
  5. Step 5: Solve for x
    x = 6,304,696,625.32/77,201.76
  6. Step 6: Final answer
    x = 81,665.19

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