Finding the Fourth Proportional to 11,100.09, 15,300.32 and 7,513.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.09 : 15,300.32 = 7,513.92 : x
2. Step 2: Convert to fraction form
   11,100.09/15,300.32 = 7,513.92/x
3. Step 3: Cross multiply
   11,100.09x = 15,300.32 × 7,513.92
4. Step 4: Simplify right side
   11,100.09x = 114,965,342.88
5. Step 5: Solve for x
   x = 114,965,342.88/11,100.09
6. Step 6: Final answer
   x = 10,357.15