Finding the Fourth Proportional to 22,527.61, 31,086.86 and 12,455.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527.61 : 31,086.86 = 12,455.46 : x
2. Step 2: Convert to fraction form
   22,527.61/31,086.86 = 12,455.46/x
3. Step 3: Cross multiply
   22,527.61x = 31,086.86 × 12,455.46
4. Step 4: Simplify right side
   22,527.61x = 387,201,078.98
5. Step 5: Solve for x
   x = 387,201,078.98/22,527.61
6. Step 6: Final answer
   x = 17,187.85