Finding the Fourth Proportional to 2,406.15, 3,609.29 and 740.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.15 : 3,609.29 = 740.31 : x
2. Step 2: Convert to fraction form
   2,406.15/3,609.29 = 740.31/x
3. Step 3: Cross multiply
   2,406.15x = 3,609.29 × 740.31
4. Step 4: Simplify right side
   2,406.15x = 2,671,989.78
5. Step 5: Solve for x
   x = 2,671,989.78/2,406.15
6. Step 6: Final answer
   x = 1,110.48