Finding the Fourth Proportional to 31,580.52, 43,580.88 and 17,434.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,580.52 : 43,580.88 = 17,434.20 : x
2. Step 2: Convert to fraction form
   31,580.52/43,580.88 = 17,434.20/x
3. Step 3: Cross multiply
   31,580.52x = 43,580.88 × 17,434.20
4. Step 4: Simplify right side
   31,580.52x = 759,797,778.10
5. Step 5: Solve for x
   x = 759,797,778.10/31,580.52
6. Step 6: Final answer
   x = 24,059.06