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Finding the Fourth Proportional to 217,584.63, 300,265.99 and 122,091.10

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Solution

The fourth proportional to 217,584.63, 300,265.99 and 122,091.10 is: 168,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,584.63 : 300,265.99 = 122,091.10 : x
  2. Step 2: Convert to fraction form
    217,584.63/300,265.99 = 122,091.10/x
  3. Step 3: Cross multiply
    217,584.63x = 300,265.99 × 122,091.10
  4. Step 4: Simplify right side
    217,584.63x = 36,659,803,955.80
  5. Step 5: Solve for x
    x = 36,659,803,955.80/217,584.63
  6. Step 6: Final answer
    x = 168,485.26

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