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Finding the Fourth Proportional to 55,783.74, 76,753.12 and 48,205.78

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Solution

The fourth proportional to 55,783.74, 76,753.12 and 48,205.78 is: 66,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,783.74 : 76,753.12 = 48,205.78 : x
  2. Step 2: Convert to fraction form
    55,783.74/76,753.12 = 48,205.78/x
  3. Step 3: Cross multiply
    55,783.74x = 76,753.12 × 48,205.78
  4. Step 4: Simplify right side
    55,783.74x = 3,699,944,017.03
  5. Step 5: Solve for x
    x = 3,699,944,017.03/55,783.74
  6. Step 6: Final answer
    x = 66,326.57

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