Finding the Fourth Proportional to 11,290.41, 15,565.37 and 7,513.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,290.41 : 15,565.37 = 7,513.74 : x
2. Step 2: Convert to fraction form
   11,290.41/15,565.37 = 7,513.74/x
3. Step 3: Cross multiply
   11,290.41x = 15,565.37 × 7,513.74
4. Step 4: Simplify right side
   11,290.41x = 116,954,105.62
5. Step 5: Solve for x
   x = 116,954,105.62/11,290.41
6. Step 6: Final answer
   x = 10,358.71