Finding the Fourth Proportional to 2,613.72, 3,606.92 and 1,434.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.72 : 3,606.92 = 1,434.84 : x
2. Step 2: Convert to fraction form
   2,613.72/3,606.92 = 1,434.84/x
3. Step 3: Cross multiply
   2,613.72x = 3,606.92 × 1,434.84
4. Step 4: Simplify right side
   2,613.72x = 5,175,353.09
5. Step 5: Solve for x
   x = 5,175,353.09/2,613.72
6. Step 6: Final answer
   x = 1,980.07