Finding the Fourth Proportional to 9,155.94, 12,617.25 and 7,481.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.94 : 12,617.25 = 7,481.70 : x
2. Step 2: Convert to fraction form
   9,155.94/12,617.25 = 7,481.70/x
3. Step 3: Cross multiply
   9,155.94x = 12,617.25 × 7,481.70
4. Step 4: Simplify right side
   9,155.94x = 94,398,479.33
5. Step 5: Solve for x
   x = 94,398,479.33/9,155.94
6. Step 6: Final answer
   x = 10,310.08