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Finding the Fourth Proportional to 52,603.20, 78,904.80 and 48,302.40

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Solution

The fourth proportional to 52,603.20, 78,904.80 and 48,302.40 is: 72,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603.20 : 78,904.80 = 48,302.40 : x
  2. Step 2: Convert to fraction form
    52,603.20/78,904.80 = 48,302.40/x
  3. Step 3: Cross multiply
    52,603.20x = 78,904.80 × 48,302.40
  4. Step 4: Simplify right side
    52,603.20x = 3,811,291,211.52
  5. Step 5: Solve for x
    x = 3,811,291,211.52/52,603.20
  6. Step 6: Final answer
    x = 72,453.60

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