Finding the Fourth Proportional to 11,881.11, 16,359.33 and 10,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,881.11 : 16,359.33 = 10,552.50 : x
2. Step 2: Convert to fraction form
   11,881.11/16,359.33 = 10,552.50/x
3. Step 3: Cross multiply
   11,881.11x = 16,359.33 × 10,552.50
4. Step 4: Simplify right side
   11,881.11x = 172,631,870.89
5. Step 5: Solve for x
   x = 172,631,870.89/11,881.11
6. Step 6: Final answer
   x = 14,529.95