Finding the Fourth Proportional to 2,613.52, 3,606.65 and 1,434.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.52 : 3,606.65 = 1,434.65 : x
2. Step 2: Convert to fraction form
   2,613.52/3,606.65 = 1,434.65/x
3. Step 3: Cross multiply
   2,613.52x = 3,606.65 × 1,434.65
4. Step 4: Simplify right side
   2,613.52x = 5,174,280.42
5. Step 5: Solve for x
   x = 5,174,280.42/2,613.52
6. Step 6: Final answer
   x = 1,979.81