Finding the Fourth Proportional to 11,872.17, 16,391.06 and 7,624.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,872.17 : 16,391.06 = 7,624.94 : x
2. Step 2: Convert to fraction form
   11,872.17/16,391.06 = 7,624.94/x
3. Step 3: Cross multiply
   11,872.17x = 16,391.06 × 7,624.94
4. Step 4: Simplify right side
   11,872.17x = 124,980,895.85
5. Step 5: Solve for x
   x = 124,980,895.85/11,872.17
6. Step 6: Final answer
   x = 10,527.22