Finding the Fourth Proportional to 9,150.50, 12,626.73 and 5,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.50 : 12,626.73 = 5,117.10 : x
2. Step 2: Convert to fraction form
   9,150.50/12,626.73 = 5,117.10/x
3. Step 3: Cross multiply
   9,150.50x = 12,626.73 × 5,117.10
4. Step 4: Simplify right side
   9,150.50x = 64,612,240.08
5. Step 5: Solve for x
   x = 64,612,240.08/9,150.50
6. Step 6: Final answer
   x = 7,061.07