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Finding the Fourth Proportional to 106,998.40, 147,663.20 and 59,256.96

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Solution

The fourth proportional to 106,998.40, 147,663.20 and 59,256.96 is: 81,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,998.40 : 147,663.20 = 59,256.96 : x
  2. Step 2: Convert to fraction form
    106,998.40/147,663.20 = 59,256.96/x
  3. Step 3: Cross multiply
    106,998.40x = 147,663.20 × 59,256.96
  4. Step 4: Simplify right side
    106,998.40x = 8,750,072,335.87
  5. Step 5: Solve for x
    x = 8,750,072,335.87/106,998.40
  6. Step 6: Final answer
    x = 81,777.60

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