Finding the Fourth Proportional to 22,824.57, 31,497.55 and 12,753.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,824.57 : 31,497.55 = 12,753.15 : x
2. Step 2: Convert to fraction form
   22,824.57/31,497.55 = 12,753.15/x
3. Step 3: Cross multiply
   22,824.57x = 31,497.55 × 12,753.15
4. Step 4: Simplify right side
   22,824.57x = 401,692,979.78
5. Step 5: Solve for x
   x = 401,692,979.78/22,824.57
6. Step 6: Final answer
   x = 17,599.15