Finding the Fourth Proportional to 11,057.94, 15,254.97 and 7,471.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,057.94 : 15,254.97 = 7,471.71 : x
2. Step 2: Convert to fraction form
   11,057.94/15,254.97 = 7,471.71/x
3. Step 3: Cross multiply
   11,057.94x = 15,254.97 × 7,471.71
4. Step 4: Simplify right side
   11,057.94x = 113,980,711.90
5. Step 5: Solve for x
   x = 113,980,711.90/11,057.94
6. Step 6: Final answer
   x = 10,307.59