Finding the Fourth Proportional to 2,275.52, 3,132.32 and 1,961.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.52 : 3,132.32 = 1,961.82 : x
2. Step 2: Convert to fraction form
   2,275.52/3,132.32 = 1,961.82/x
3. Step 3: Cross multiply
   2,275.52x = 3,132.32 × 1,961.82
4. Step 4: Simplify right side
   2,275.52x = 6,145,048.02
5. Step 5: Solve for x
   x = 6,145,048.02/2,275.52
6. Step 6: Final answer
   x = 2,700.50