Finding the Fourth Proportional to 2,613.35, 3,606.43 and 1,434.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.35 : 3,606.43 = 1,434.45 : x
2. Step 2: Convert to fraction form
   2,613.35/3,606.43 = 1,434.45/x
3. Step 3: Cross multiply
   2,613.35x = 3,606.43 × 1,434.45
4. Step 4: Simplify right side
   2,613.35x = 5,173,239.93
5. Step 5: Solve for x
   x = 5,173,239.93/2,613.35
6. Step 6: Final answer
   x = 1,979.54