Finding the Fourth Proportional to 9,306.17, 12,842.49 and 5,114.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,306.17 : 12,842.49 = 5,114.42 : x
2. Step 2: Convert to fraction form
   9,306.17/12,842.49 = 5,114.42/x
3. Step 3: Cross multiply
   9,306.17x = 12,842.49 × 5,114.42
4. Step 4: Simplify right side
   9,306.17x = 65,681,887.71
5. Step 5: Solve for x
   x = 65,681,887.71/9,306.17
6. Step 6: Final answer
   x = 7,057.89