Finding the Fourth Proportional to 31,045.47, 42,841.56 and 17,615.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045.47 : 42,841.56 = 17,615.92 : x
2. Step 2: Convert to fraction form
   31,045.47/42,841.56 = 17,615.92/x
3. Step 3: Cross multiply
   31,045.47x = 42,841.56 × 17,615.92
4. Step 4: Simplify right side
   31,045.47x = 754,693,554.32
5. Step 5: Solve for x
   x = 754,693,554.32/31,045.47
6. Step 6: Final answer
   x = 24,309.30