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Finding the Fourth Proportional to 83,777.76, 115,622.64 and 46,051.20

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Solution

The fourth proportional to 83,777.76, 115,622.64 and 46,051.20 is: 63,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,777.76 : 115,622.64 = 46,051.20 : x
  2. Step 2: Convert to fraction form
    83,777.76/115,622.64 = 46,051.20/x
  3. Step 3: Cross multiply
    83,777.76x = 115,622.64 × 46,051.20
  4. Step 4: Simplify right side
    83,777.76x = 5,324,561,319.17
  5. Step 5: Solve for x
    x = 5,324,561,319.17/83,777.76
  6. Step 6: Final answer
    x = 63,555.79

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