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Finding the Fourth Proportional to 55,608.58, 76,739.86 and 30,458.08

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Solution

The fourth proportional to 55,608.58, 76,739.86 and 30,458.08 is: 42,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.58 : 76,739.86 = 30,458.08 : x
  2. Step 2: Convert to fraction form
    55,608.58/76,739.86 = 30,458.08/x
  3. Step 3: Cross multiply
    55,608.58x = 76,739.86 × 30,458.08
  4. Step 4: Simplify right side
    55,608.58x = 2,337,348,795.07
  5. Step 5: Solve for x
    x = 2,337,348,795.07/55,608.58
  6. Step 6: Final answer
    x = 42,032.16

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