Finding the Fourth Proportional to 7,767.79, 10,713.76 and 4,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,767.79 : 10,713.76 = 4,932.72 : x
2. Step 2: Convert to fraction form
   7,767.79/10,713.76 = 4,932.72/x
3. Step 3: Cross multiply
   7,767.79x = 10,713.76 × 4,932.72
4. Step 4: Simplify right side
   7,767.79x = 52,847,978.23
5. Step 5: Solve for x
   x = 52,847,978.23/7,767.79
6. Step 6: Final answer
   x = 6,803.48