Finding the Fourth Proportional to 7,760.52, 10,711.86 and 5,277.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,760.52 : 10,711.86 = 5,277.96 : x
2. Step 2: Convert to fraction form
   7,760.52/10,711.86 = 5,277.96/x
3. Step 3: Cross multiply
   7,760.52x = 10,711.86 × 5,277.96
4. Step 4: Simplify right side
   7,760.52x = 56,536,768.61
5. Step 5: Solve for x
   x = 56,536,768.61/7,760.52
6. Step 6: Final answer
   x = 7,285.18