Finding the Fourth Proportional to 2,614.15, 3,607.54 and 1,435.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.15 : 3,607.54 = 1,435.30 : x
2. Step 2: Convert to fraction form
   2,614.15/3,607.54 = 1,435.30/x
3. Step 3: Cross multiply
   2,614.15x = 3,607.54 × 1,435.30
4. Step 4: Simplify right side
   2,614.15x = 5,177,893.63
5. Step 5: Solve for x
   x = 5,177,893.63/2,614.15
6. Step 6: Final answer
   x = 1,980.72