Finding the Fourth Proportional to 5,150.25, 7,726.86 and 2,960.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.25 : 7,726.86 = 2,960.55 : x
2. Step 2: Convert to fraction form
   5,150.25/7,726.86 = 2,960.55/x
3. Step 3: Cross multiply
   5,150.25x = 7,726.86 × 2,960.55
4. Step 4: Simplify right side
   5,150.25x = 22,875,755.37
5. Step 5: Solve for x
   x = 22,875,755.37/5,150.25
6. Step 6: Final answer
   x = 4,441.68