Finding the Fourth Proportional to 2,613.34, 3,606.40 and 1,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.34 : 3,606.40 = 1,434.38 : x
2. Step 2: Convert to fraction form
   2,613.34/3,606.40 = 1,434.38/x
3. Step 3: Cross multiply
   2,613.34x = 3,606.40 × 1,434.38
4. Step 4: Simplify right side
   2,613.34x = 5,172,948.03
5. Step 5: Solve for x
   x = 5,172,948.03/2,613.34
6. Step 6: Final answer
   x = 1,979.44