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Finding the Fourth Proportional to 213,228.80, 294,254.48 and 117,734.72

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Solution

The fourth proportional to 213,228.80, 294,254.48 and 117,734.72 is: 162,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,228.80 : 294,254.48 = 117,734.72 : x
  2. Step 2: Convert to fraction form
    213,228.80/294,254.48 = 117,734.72/x
  3. Step 3: Cross multiply
    213,228.80x = 294,254.48 × 117,734.72
  4. Step 4: Simplify right side
    213,228.80x = 34,643,968,811.55
  5. Step 5: Solve for x
    x = 34,643,968,811.55/213,228.80
  6. Step 6: Final answer
    x = 162,473.22

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