Finding the Fourth Proportional to 7,803.52, 10,761.42 and 5,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,803.52 : 10,761.42 = 5,110.72 : x
2. Step 2: Convert to fraction form
   7,803.52/10,761.42 = 5,110.72/x
3. Step 3: Cross multiply
   7,803.52x = 10,761.42 × 5,110.72
4. Step 4: Simplify right side
   7,803.52x = 54,998,604.42
5. Step 5: Solve for x
   x = 54,998,604.42/7,803.52
6. Step 6: Final answer
   x = 7,047.92