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Finding the Fourth Proportional to 77,795.20, 116,779.20 and 48,246.40

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Solution

The fourth proportional to 77,795.20, 116,779.20 and 48,246.40 is: 72,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.20 : 116,779.20 = 48,246.40 : x
  2. Step 2: Convert to fraction form
    77,795.20/116,779.20 = 48,246.40/x
  3. Step 3: Cross multiply
    77,795.20x = 116,779.20 × 48,246.40
  4. Step 4: Simplify right side
    77,795.20x = 5,634,175,994.88
  5. Step 5: Solve for x
    x = 5,634,175,994.88/77,795.20
  6. Step 6: Final answer
    x = 72,423.18

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