Finding the Fourth Proportional to 14,642.02, 21,965.46 and 5,872.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,642.02 : 21,965.46 = 5,872.15 : x
2. Step 2: Convert to fraction form
   14,642.02/21,965.46 = 5,872.15/x
3. Step 3: Cross multiply
   14,642.02x = 21,965.46 × 5,872.15
4. Step 4: Simplify right side
   14,642.02x = 128,984,475.94
5. Step 5: Solve for x
   x = 128,984,475.94/14,642.02
6. Step 6: Final answer
   x = 8,809.20