Finding the Fourth Proportional to 2,613.44, 3,606.63 and 1,434.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.44 : 3,606.63 = 1,434.59 : x
2. Step 2: Convert to fraction form
   2,613.44/3,606.63 = 1,434.59/x
3. Step 3: Cross multiply
   2,613.44x = 3,606.63 × 1,434.59
4. Step 4: Simplify right side
   2,613.44x = 5,174,035.33
5. Step 5: Solve for x
   x = 5,174,035.33/2,613.44
6. Step 6: Final answer
   x = 1,979.78