Finding the Fourth Proportional to 9,300.32, 12,834.43 and 5,108.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.32 : 12,834.43 = 5,108.57 : x
2. Step 2: Convert to fraction form
   9,300.32/12,834.43 = 5,108.57/x
3. Step 3: Cross multiply
   9,300.32x = 12,834.43 × 5,108.57
4. Step 4: Simplify right side
   9,300.32x = 65,565,519.89
5. Step 5: Solve for x
   x = 65,565,519.89/9,300.32
6. Step 6: Final answer
   x = 7,049.82