Finding the Fourth Proportional to 31,261.52, 43,139.40 and 17,114

Step by Step Solution

1. Step 1: Write the proportion equation
   31,261.52 : 43,139.40 = 17,114 : x
2. Step 2: Convert to fraction form
   31,261.52/43,139.40 = 17,114/x
3. Step 3: Cross multiply
   31,261.52x = 43,139.40 × 17,114
4. Step 4: Simplify right side
   31,261.52x = 738,287,691.60
5. Step 5: Solve for x
   x = 738,287,691.60/31,261.52
6. Step 6: Final answer
   x = 23,616.50