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Finding the Fourth Proportional to 12,355.04, 17,048.86 and 6,977.18

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Solution

The fourth proportional to 12,355.04, 17,048.86 and 6,977.18 is: 9,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.04 : 17,048.86 = 6,977.18 : x
  2. Step 2: Convert to fraction form
    12,355.04/17,048.86 = 6,977.18/x
  3. Step 3: Cross multiply
    12,355.04x = 17,048.86 × 6,977.18
  4. Step 4: Simplify right side
    12,355.04x = 118,952,965.01
  5. Step 5: Solve for x
    x = 118,952,965.01/12,355.04
  6. Step 6: Final answer
    x = 9,627.89

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