Finding the Fourth Proportional to 22,603.27, 31,192.56 and 12,531.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,603.27 : 31,192.56 = 12,531.88 : x
2. Step 2: Convert to fraction form
   22,603.27/31,192.56 = 12,531.88/x
3. Step 3: Cross multiply
   22,603.27x = 31,192.56 × 12,531.88
4. Step 4: Simplify right side
   22,603.27x = 390,901,418.81
5. Step 5: Solve for x
   x = 390,901,418.81/22,603.27
6. Step 6: Final answer
   x = 17,294.02