Finding the Fourth Proportional to 11,869.80, 16,382.52 and 7,626.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,869.80 : 16,382.52 = 7,626.17 : x
2. Step 2: Convert to fraction form
   11,869.80/16,382.52 = 7,626.17/x
3. Step 3: Cross multiply
   11,869.80x = 16,382.52 × 7,626.17
4. Step 4: Simplify right side
   11,869.80x = 124,935,877.43
5. Step 5: Solve for x
   x = 124,935,877.43/11,869.80
6. Step 6: Final answer
   x = 10,525.52