Finding the Fourth Proportional to 2,613.57, 3,606.73 and 1,434.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.57 : 3,606.73 = 1,434.71 : x
2. Step 2: Convert to fraction form
   2,613.57/3,606.73 = 1,434.71/x
3. Step 3: Cross multiply
   2,613.57x = 3,606.73 × 1,434.71
4. Step 4: Simplify right side
   2,613.57x = 5,174,617.03
5. Step 5: Solve for x
   x = 5,174,617.03/2,613.57
6. Step 6: Final answer
   x = 1,979.91