Finding the Fourth Proportional to 2,613.36, 3,606.42 and 1,434.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.36 : 3,606.42 = 1,434.42 : x
2. Step 2: Convert to fraction form
   2,613.36/3,606.42 = 1,434.42/x
3. Step 3: Cross multiply
   2,613.36x = 3,606.42 × 1,434.42
4. Step 4: Simplify right side
   2,613.36x = 5,173,129.99
5. Step 5: Solve for x
   x = 5,173,129.99/2,613.36
6. Step 6: Final answer
   x = 1,979.50