Finding the Fourth Proportional to 11,185.86, 15,425.88 and 7,350.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,185.86 : 15,425.88 = 7,350.75 : x
2. Step 2: Convert to fraction form
   11,185.86/15,425.88 = 7,350.75/x
3. Step 3: Cross multiply
   11,185.86x = 15,425.88 × 7,350.75
4. Step 4: Simplify right side
   11,185.86x = 113,391,787.41
5. Step 5: Solve for x
   x = 113,391,787.41/11,185.86
6. Step 6: Final answer
   x = 10,137.06