Finding the Fourth Proportional to 9,308.88, 12,846.51 and 5,117.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.88 : 12,846.51 = 5,117.13 : x
2. Step 2: Convert to fraction form
   9,308.88/12,846.51 = 5,117.13/x
3. Step 3: Cross multiply
   9,308.88x = 12,846.51 × 5,117.13
4. Step 4: Simplify right side
   9,308.88x = 65,737,261.72
5. Step 5: Solve for x
   x = 65,737,261.72/9,308.88
6. Step 6: Final answer
   x = 7,061.78