Finding the Fourth Proportional to 2,434.53, 3,359.25 and 1,386.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.53 : 3,359.25 = 1,386.39 : x
2. Step 2: Convert to fraction form
   2,434.53/3,359.25 = 1,386.39/x
3. Step 3: Cross multiply
   2,434.53x = 3,359.25 × 1,386.39
4. Step 4: Simplify right side
   2,434.53x = 4,657,230.61
5. Step 5: Solve for x
   x = 4,657,230.61/2,434.53
6. Step 6: Final answer
   x = 1,912.99