Finding the Fourth Proportional to 9,308.04, 12,845.20 and 5,116.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.04 : 12,845.20 = 5,116.26 : x
2. Step 2: Convert to fraction form
   9,308.04/12,845.20 = 5,116.26/x
3. Step 3: Cross multiply
   9,308.04x = 12,845.20 × 5,116.26
4. Step 4: Simplify right side
   9,308.04x = 65,719,382.95
5. Step 5: Solve for x
   x = 65,719,382.95/9,308.04
6. Step 6: Final answer
   x = 7,060.50