Finding the Fourth Proportional to 2,613.26, 3,606.34 and 1,434.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.26 : 3,606.34 = 1,434.32 : x
2. Step 2: Convert to fraction form
   2,613.26/3,606.34 = 1,434.32/x
3. Step 3: Cross multiply
   2,613.26x = 3,606.34 × 1,434.32
4. Step 4: Simplify right side
   2,613.26x = 5,172,645.59
5. Step 5: Solve for x
   x = 5,172,645.59/2,613.26
6. Step 6: Final answer
   x = 1,979.38