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Finding the Fourth Proportional to 52,548.80, 78,823.20 and 49,438.40

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Solution

The fourth proportional to 52,548.80, 78,823.20 and 49,438.40 is: 74,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,548.80 : 78,823.20 = 49,438.40 : x
  2. Step 2: Convert to fraction form
    52,548.80/78,823.20 = 49,438.40/x
  3. Step 3: Cross multiply
    52,548.80x = 78,823.20 × 49,438.40
  4. Step 4: Simplify right side
    52,548.80x = 3,896,892,890.88
  5. Step 5: Solve for x
    x = 3,896,892,890.88/52,548.80
  6. Step 6: Final answer
    x = 74,157.60

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