Finding the Fourth Proportional to 31,036.29, 42,831.04 and 17,608.11

Step by Step Solution

1. Step 1: Write the proportion equation
   31,036.29 : 42,831.04 = 17,608.11 : x
2. Step 2: Convert to fraction form
   31,036.29/42,831.04 = 17,608.11/x
3. Step 3: Cross multiply
   31,036.29x = 42,831.04 × 17,608.11
4. Step 4: Simplify right side
   31,036.29x = 754,173,663.73
5. Step 5: Solve for x
   x = 754,173,663.73/31,036.29
6. Step 6: Final answer
   x = 24,299.74