Finding the Fourth Proportional to 3,963.75, 5,470.29 and 2,195.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,963.75 : 5,470.29 = 2,195.52 : x
2. Step 2: Convert to fraction form
   3,963.75/5,470.29 = 2,195.52/x
3. Step 3: Cross multiply
   3,963.75x = 5,470.29 × 2,195.52
4. Step 4: Simplify right side
   3,963.75x = 12,010,131.10
5. Step 5: Solve for x
   x = 12,010,131.10/3,963.75
6. Step 6: Final answer
   x = 3,029.99