Finding the Fourth Proportional to 2,613.82, 3,607.05 and 1,434.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.82 : 3,607.05 = 1,434.94 : x
2. Step 2: Convert to fraction form
   2,613.82/3,607.05 = 1,434.94/x
3. Step 3: Cross multiply
   2,613.82x = 3,607.05 × 1,434.94
4. Step 4: Simplify right side
   2,613.82x = 5,175,900.33
5. Step 5: Solve for x
   x = 5,175,900.33/2,613.82
6. Step 6: Final answer
   x = 1,980.21