Finding the Fourth Proportional to 22,527, 31,086.54 and 12,454.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527 : 31,086.54 = 12,454.68 : x
2. Step 2: Convert to fraction form
   22,527/31,086.54 = 12,454.68/x
3. Step 3: Cross multiply
   22,527x = 31,086.54 × 12,454.68
4. Step 4: Simplify right side
   22,527x = 387,172,908.01
5. Step 5: Solve for x
   x = 387,172,908.01/22,527
6. Step 6: Final answer
   x = 17,187.06