Finding the Fourth Proportional to 22,761, 31,414.50 and 12,825

Step by Step Solution

1. Step 1: Write the proportion equation
   22,761 : 31,414.50 = 12,825 : x
2. Step 2: Convert to fraction form
   22,761/31,414.50 = 12,825/x
3. Step 3: Cross multiply
   22,761x = 31,414.50 × 12,825
4. Step 4: Simplify right side
   22,761x = 402,890,962.50
5. Step 5: Solve for x
   x = 402,890,962.50/22,761
6. Step 6: Final answer
   x = 17,700.93