Finding the Fourth Proportional to 2,434.50, 3,359.61 and 1,387.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.50 : 3,359.61 = 1,387.17 : x
2. Step 2: Convert to fraction form
   2,434.50/3,359.61 = 1,387.17/x
3. Step 3: Cross multiply
   2,434.50x = 3,359.61 × 1,387.17
4. Step 4: Simplify right side
   2,434.50x = 4,660,350.20
5. Step 5: Solve for x
   x = 4,660,350.20/2,434.50
6. Step 6: Final answer
   x = 1,914.29