Finding the Fourth Proportional to 10,039.49, 15,047.28 and 7,566.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.49 : 15,047.28 = 7,566.15 : x
2. Step 2: Convert to fraction form
   10,039.49/15,047.28 = 7,566.15/x
3. Step 3: Cross multiply
   10,039.49x = 15,047.28 × 7,566.15
4. Step 4: Simplify right side
   10,039.49x = 113,849,977.57
5. Step 5: Solve for x
   x = 113,849,977.57/10,039.49
6. Step 6: Final answer
   x = 11,340.22