Finding the Fourth Proportional to 22,747.78, 31,380.24 and 14,787.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,747.78 : 31,380.24 = 14,787.10 : x
2. Step 2: Convert to fraction form
   22,747.78/31,380.24 = 14,787.10/x
3. Step 3: Cross multiply
   22,747.78x = 31,380.24 × 14,787.10
4. Step 4: Simplify right side
   22,747.78x = 464,022,746.90
5. Step 5: Solve for x
   x = 464,022,746.90/22,747.78
6. Step 6: Final answer
   x = 20,398.59