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Finding the Fourth Proportional to 74,960.40, 112,440.60 and 19,556.40

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Solution

The fourth proportional to 74,960.40, 112,440.60 and 19,556.40 is: 29,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,960.40 : 112,440.60 = 19,556.40 : x
  2. Step 2: Convert to fraction form
    74,960.40/112,440.60 = 19,556.40/x
  3. Step 3: Cross multiply
    74,960.40x = 112,440.60 × 19,556.40
  4. Step 4: Simplify right side
    74,960.40x = 2,198,933,349.84
  5. Step 5: Solve for x
    x = 2,198,933,349.84/74,960.40
  6. Step 6: Final answer
    x = 29,334.60

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