Finding the Fourth Proportional to 2,613.52, 3,606.73 and 1,434.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.52 : 3,606.73 = 1,434.66 : x
2. Step 2: Convert to fraction form
   2,613.52/3,606.73 = 1,434.66/x
3. Step 3: Cross multiply
   2,613.52x = 3,606.73 × 1,434.66
4. Step 4: Simplify right side
   2,613.52x = 5,174,434.44
5. Step 5: Solve for x
   x = 5,174,434.44/2,613.52
6. Step 6: Final answer
   x = 1,979.88