Finding the Fourth Proportional to 31,044.73, 42,840.54 and 17,615.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044.73 : 42,840.54 = 17,615.18 : x
2. Step 2: Convert to fraction form
   31,044.73/42,840.54 = 17,615.18/x
3. Step 3: Cross multiply
   31,044.73x = 42,840.54 × 17,615.18
4. Step 4: Simplify right side
   31,044.73x = 754,643,978.36
5. Step 5: Solve for x
   x = 754,643,978.36/31,044.73
6. Step 6: Final answer
   x = 24,308.28