Finding the Fourth Proportional to 2,637.24, 3,945.33 and 2,275.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.24 : 3,945.33 = 2,275.98 : x
2. Step 2: Convert to fraction form
   2,637.24/3,945.33 = 2,275.98/x
3. Step 3: Cross multiply
   2,637.24x = 3,945.33 × 2,275.98
4. Step 4: Simplify right side
   2,637.24x = 8,979,492.17
5. Step 5: Solve for x
   x = 8,979,492.17/2,637.24
6. Step 6: Final answer
   x = 3,404.88