Finding the Fourth Proportional to 22,825.40, 31,498.98 and 12,753.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,825.40 : 31,498.98 = 12,753.86 : x
2. Step 2: Convert to fraction form
   22,825.40/31,498.98 = 12,753.86/x
3. Step 3: Cross multiply
   22,825.40x = 31,498.98 × 12,753.86
4. Step 4: Simplify right side
   22,825.40x = 401,733,581.06
5. Step 5: Solve for x
   x = 401,733,581.06/22,825.40
6. Step 6: Final answer
   x = 17,600.29