Finding the Fourth Proportional to 6,882.46, 10,292.17 and 5,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,882.46 : 10,292.17 = 5,128.69 : x
2. Step 2: Convert to fraction form
   6,882.46/10,292.17 = 5,128.69/x
3. Step 3: Cross multiply
   6,882.46x = 10,292.17 × 5,128.69
4. Step 4: Simplify right side
   6,882.46x = 52,785,307.14
5. Step 5: Solve for x
   x = 52,785,307.14/6,882.46
6. Step 6: Final answer
   x = 7,669.54