Finding the Fourth Proportional to 9,308.17, 12,845.28 and 5,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.17 : 12,845.28 = 5,116.42 : x
2. Step 2: Convert to fraction form
   9,308.17/12,845.28 = 5,116.42/x
3. Step 3: Cross multiply
   9,308.17x = 12,845.28 × 5,116.42
4. Step 4: Simplify right side
   9,308.17x = 65,721,847.50
5. Step 5: Solve for x
   x = 65,721,847.50/9,308.17
6. Step 6: Final answer
   x = 7,060.66