Finding the Fourth Proportional to 2,478.33, 3,715.29 and 940.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.33 : 3,715.29 = 940.41 : x
2. Step 2: Convert to fraction form
   2,478.33/3,715.29 = 940.41/x
3. Step 3: Cross multiply
   2,478.33x = 3,715.29 × 940.41
4. Step 4: Simplify right side
   2,478.33x = 3,493,895.87
5. Step 5: Solve for x
   x = 3,493,895.87/2,478.33
6. Step 6: Final answer
   x = 1,409.78