Finding the Fourth Proportional to 10,799.38, 16,175.57 and 5,240.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.38 : 16,175.57 = 5,240.99 : x
2. Step 2: Convert to fraction form
   10,799.38/16,175.57 = 5,240.99/x
3. Step 3: Cross multiply
   10,799.38x = 16,175.57 × 5,240.99
4. Step 4: Simplify right side
   10,799.38x = 84,776,000.61
5. Step 5: Solve for x
   x = 84,776,000.61/10,799.38
6. Step 6: Final answer
   x = 7,850.08