Finding the Fourth Proportional to 22,522.41, 31,047.98 and 15,787.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,522.41 : 31,047.98 = 15,787.71 : x
2. Step 2: Convert to fraction form
   22,522.41/31,047.98 = 15,787.71/x
3. Step 3: Cross multiply
   22,522.41x = 31,047.98 × 15,787.71
4. Step 4: Simplify right side
   22,522.41x = 490,176,425.39
5. Step 5: Solve for x
   x = 490,176,425.39/22,522.41
6. Step 6: Final answer
   x = 21,763.94