Finding the Fourth Proportional to 2,614.40, 3,607.71 and 1,435.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.40 : 3,607.71 = 1,435.22 : x
2. Step 2: Convert to fraction form
   2,614.40/3,607.71 = 1,435.22/x
3. Step 3: Cross multiply
   2,614.40x = 3,607.71 × 1,435.22
4. Step 4: Simplify right side
   2,614.40x = 5,177,857.55
5. Step 5: Solve for x
   x = 5,177,857.55/2,614.40
6. Step 6: Final answer
   x = 1,980.51