Finding the Fourth Proportional to 2,614.31, 3,607.75 and 1,435.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.31 : 3,607.75 = 1,435.46 : x
2. Step 2: Convert to fraction form
   2,614.31/3,607.75 = 1,435.46/x
3. Step 3: Cross multiply
   2,614.31x = 3,607.75 × 1,435.46
4. Step 4: Simplify right side
   2,614.31x = 5,178,766.36
5. Step 5: Solve for x
   x = 5,178,766.36/2,614.31
6. Step 6: Final answer
   x = 1,980.93