Finding the Fourth Proportional to 2,613.45, 3,606.55 and 1,434.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.45 : 3,606.55 = 1,434.49 : x
2. Step 2: Convert to fraction form
   2,613.45/3,606.55 = 1,434.49/x
3. Step 3: Cross multiply
   2,613.45x = 3,606.55 × 1,434.49
4. Step 4: Simplify right side
   2,613.45x = 5,173,575.66
5. Step 5: Solve for x
   x = 5,173,575.66/2,613.45
6. Step 6: Final answer
   x = 1,979.60