Finding the Fourth Proportional to 2,366.28, 3,545.82 and 2,121.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,366.28 : 3,545.82 = 2,121.48 : x
2. Step 2: Convert to fraction form
   2,366.28/3,545.82 = 2,121.48/x
3. Step 3: Cross multiply
   2,366.28x = 3,545.82 × 2,121.48
4. Step 4: Simplify right side
   2,366.28x = 7,522,386.21
5. Step 5: Solve for x
   x = 7,522,386.21/2,366.28
6. Step 6: Final answer
   x = 3,178.99