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Finding the Fourth Proportional to 55,722.66, 76,898.62 and 30,572.16

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Solution

The fourth proportional to 55,722.66, 76,898.62 and 30,572.16 is: 42,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.66 : 76,898.62 = 30,572.16 : x
  2. Step 2: Convert to fraction form
    55,722.66/76,898.62 = 30,572.16/x
  3. Step 3: Cross multiply
    55,722.66x = 76,898.62 × 30,572.16
  4. Step 4: Simplify right side
    55,722.66x = 2,350,956,664.26
  5. Step 5: Solve for x
    x = 2,350,956,664.26/55,722.66
  6. Step 6: Final answer
    x = 42,190.32

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