Finding the Fourth Proportional to 16,362.42, 22,422.80 and 14,787.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,362.42 : 22,422.80 = 14,787.78 : x
2. Step 2: Convert to fraction form
   16,362.42/22,422.80 = 14,787.78/x
3. Step 3: Cross multiply
   16,362.42x = 22,422.80 × 14,787.78
4. Step 4: Simplify right side
   16,362.42x = 331,583,359.45
5. Step 5: Solve for x
   x = 331,583,359.45/16,362.42
6. Step 6: Final answer
   x = 20,264.93