Finding the Fourth Proportional to 2,434.29, 3,359.31 and 1,315.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.29 : 3,359.31 = 1,315.22 : x
2. Step 2: Convert to fraction form
   2,434.29/3,359.31 = 1,315.22/x
3. Step 3: Cross multiply
   2,434.29x = 3,359.31 × 1,315.22
4. Step 4: Simplify right side
   2,434.29x = 4,418,231.70
5. Step 5: Solve for x
   x = 4,418,231.70/2,434.29
6. Step 6: Final answer
   x = 1,815.00