Finding the Fourth Proportional to 9,108.33, 12,568.82 and 5,129.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,108.33 : 12,568.82 = 5,129.82 : x
2. Step 2: Convert to fraction form
   9,108.33/12,568.82 = 5,129.82/x
3. Step 3: Cross multiply
   9,108.33x = 12,568.82 × 5,129.82
4. Step 4: Simplify right side
   9,108.33x = 64,475,758.56
5. Step 5: Solve for x
   x = 64,475,758.56/9,108.33
6. Step 6: Final answer
   x = 7,078.77