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Finding the Fourth Proportional to 77,188.80, 106,525.68 and 43,200.24

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Solution

The fourth proportional to 77,188.80, 106,525.68 and 43,200.24 is: 59,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,188.80 : 106,525.68 = 43,200.24 : x
  2. Step 2: Convert to fraction form
    77,188.80/106,525.68 = 43,200.24/x
  3. Step 3: Cross multiply
    77,188.80x = 106,525.68 × 43,200.24
  4. Step 4: Simplify right side
    77,188.80x = 4,601,934,942.16
  5. Step 5: Solve for x
    x = 4,601,934,942.16/77,188.80
  6. Step 6: Final answer
    x = 59,619.21

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