Finding the Fourth Proportional to 9,095.16, 12,550.65 and 5,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,095.16 : 12,550.65 = 5,115.50 : x
2. Step 2: Convert to fraction form
   9,095.16/12,550.65 = 5,115.50/x
3. Step 3: Cross multiply
   9,095.16x = 12,550.65 × 5,115.50
4. Step 4: Simplify right side
   9,095.16x = 64,202,885.80
5. Step 5: Solve for x
   x = 64,202,885.80/9,095.16
6. Step 6: Final answer
   x = 7,059.02