Finding the Fourth Proportional to 16,455.31, 22,700.28 and 10,787.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,455.31 : 22,700.28 = 10,787.56 : x
2. Step 2: Convert to fraction form
   16,455.31/22,700.28 = 10,787.56/x
3. Step 3: Cross multiply
   16,455.31x = 22,700.28 × 10,787.56
4. Step 4: Simplify right side
   16,455.31x = 244,880,632.52
5. Step 5: Solve for x
   x = 244,880,632.52/16,455.31
6. Step 6: Final answer
   x = 14,881.56