Finding the Fourth Proportional to 2,404.89, 3,318.77 and 1,328.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.89 : 3,318.77 = 1,328.13 : x
2. Step 2: Convert to fraction form
   2,404.89/3,318.77 = 1,328.13/x
3. Step 3: Cross multiply
   2,404.89x = 3,318.77 × 1,328.13
4. Step 4: Simplify right side
   2,404.89x = 4,407,761.32
5. Step 5: Solve for x
   x = 4,407,761.32/2,404.89
6. Step 6: Final answer
   x = 1,832.83