Finding the Fourth Proportional to 2,614.25, 3,607.64 and 1,435.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.25 : 3,607.64 = 1,435.30 : x
2. Step 2: Convert to fraction form
   2,614.25/3,607.64 = 1,435.30/x
3. Step 3: Cross multiply
   2,614.25x = 3,607.64 × 1,435.30
4. Step 4: Simplify right side
   2,614.25x = 5,178,029.50
5. Step 5: Solve for x
   x = 5,178,029.50/2,614.25
6. Step 6: Final answer
   x = 1,980.69