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Finding the Fourth Proportional to 7,055.55, 9,736.63 and 3,911.74

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Solution

The fourth proportional to 7,055.55, 9,736.63 and 3,911.74 is: 5,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.55 : 9,736.63 = 3,911.74 : x
  2. Step 2: Convert to fraction form
    7,055.55/9,736.63 = 3,911.74/x
  3. Step 3: Cross multiply
    7,055.55x = 9,736.63 × 3,911.74
  4. Step 4: Simplify right side
    7,055.55x = 38,087,130.92
  5. Step 5: Solve for x
    x = 38,087,130.92/7,055.55
  6. Step 6: Final answer
    x = 5,398.18

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