Finding the Fourth Proportional to 5,478.71, 7,560.61 and 2,960.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,478.71 : 7,560.61 = 2,960.82 : x
2. Step 2: Convert to fraction form
   5,478.71/7,560.61 = 2,960.82/x
3. Step 3: Cross multiply
   5,478.71x = 7,560.61 × 2,960.82
4. Step 4: Simplify right side
   5,478.71x = 22,385,567.50
5. Step 5: Solve for x
   x = 22,385,567.50/5,478.71
6. Step 6: Final answer
   x = 4,085.92