Finding the Fourth Proportional to 2,434.15, 3,359.10 and 1,386.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.15 : 3,359.10 = 1,386.19 : x
2. Step 2: Convert to fraction form
   2,434.15/3,359.10 = 1,386.19/x
3. Step 3: Cross multiply
   2,434.15x = 3,359.10 × 1,386.19
4. Step 4: Simplify right side
   2,434.15x = 4,656,350.83
5. Step 5: Solve for x
   x = 4,656,350.83/2,434.15
6. Step 6: Final answer
   x = 1,912.93