Finding the Fourth Proportional to 22,915.52, 31,638.48 and 17,600.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,915.52 : 31,638.48 = 17,600.72 : x
2. Step 2: Convert to fraction form
   22,915.52/31,638.48 = 17,600.72/x
3. Step 3: Cross multiply
   22,915.52x = 31,638.48 × 17,600.72
4. Step 4: Simplify right side
   22,915.52x = 556,860,027.71
5. Step 5: Solve for x
   x = 556,860,027.71/22,915.52
6. Step 6: Final answer
   x = 24,300.56