Finding the Fourth Proportional to 2,613.54, 3,606.75 and 1,434.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.54 : 3,606.75 = 1,434.61 : x
2. Step 2: Convert to fraction form
   2,613.54/3,606.75 = 1,434.61/x
3. Step 3: Cross multiply
   2,613.54x = 3,606.75 × 1,434.61
4. Step 4: Simplify right side
   2,613.54x = 5,174,270.60
5. Step 5: Solve for x
   x = 5,174,270.60/2,613.54
6. Step 6: Final answer
   x = 1,979.79