Finding the Fourth Proportional to 14,411.12, 21,622.55 and 7,387.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,411.12 : 21,622.55 = 7,387.61 : x
2. Step 2: Convert to fraction form
   14,411.12/21,622.55 = 7,387.61/x
3. Step 3: Cross multiply
   14,411.12x = 21,622.55 × 7,387.61
4. Step 4: Simplify right side
   14,411.12x = 159,738,821.55
5. Step 5: Solve for x
   x = 159,738,821.55/14,411.12
6. Step 6: Final answer
   x = 11,084.42