Finding the Fourth Proportional to 10,887.28, 15,025.69 and 7,357.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,887.28 : 15,025.69 = 7,357.71 : x
2. Step 2: Convert to fraction form
   10,887.28/15,025.69 = 7,357.71/x
3. Step 3: Cross multiply
   10,887.28x = 15,025.69 × 7,357.71
4. Step 4: Simplify right side
   10,887.28x = 110,554,669.57
5. Step 5: Solve for x
   x = 110,554,669.57/10,887.28
6. Step 6: Final answer
   x = 10,154.48