Finding the Fourth Proportional to 7,256.83, 10,872.69 and 5,706.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,256.83 : 10,872.69 = 5,706.76 : x
2. Step 2: Convert to fraction form
   7,256.83/10,872.69 = 5,706.76/x
3. Step 3: Cross multiply
   7,256.83x = 10,872.69 × 5,706.76
4. Step 4: Simplify right side
   7,256.83x = 62,047,832.38
5. Step 5: Solve for x
   x = 62,047,832.38/7,256.83
6. Step 6: Final answer
   x = 8,550.27