Finding the Fourth Proportional to 9,276.88, 12,802.17 and 5,085.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,276.88 : 12,802.17 = 5,085.16 : x
2. Step 2: Convert to fraction form
   9,276.88/12,802.17 = 5,085.16/x
3. Step 3: Cross multiply
   9,276.88x = 12,802.17 × 5,085.16
4. Step 4: Simplify right side
   9,276.88x = 65,101,082.80
5. Step 5: Solve for x
   x = 65,101,082.80/9,276.88
6. Step 6: Final answer
   x = 7,017.56