Finding the Fourth Proportional to 2,434.29, 3,359.30 and 1,386.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.29 : 3,359.30 = 1,386.38 : x
2. Step 2: Convert to fraction form
   2,434.29/3,359.30 = 1,386.38/x
3. Step 3: Cross multiply
   2,434.29x = 3,359.30 × 1,386.38
4. Step 4: Simplify right side
   2,434.29x = 4,657,242.61
5. Step 5: Solve for x
   x = 4,657,242.61/2,434.29
6. Step 6: Final answer
   x = 1,913.18