Finding the Fourth Proportional to 2,609.56, 3,915.02 and 1,293.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.56 : 3,915.02 = 1,293.26 : x
2. Step 2: Convert to fraction form
   2,609.56/3,915.02 = 1,293.26/x
3. Step 3: Cross multiply
   2,609.56x = 3,915.02 × 1,293.26
4. Step 4: Simplify right side
   2,609.56x = 5,063,131.62
5. Step 5: Solve for x
   x = 5,063,131.62/2,609.56
6. Step 6: Final answer
   x = 1,940.23