Finding the Fourth Proportional to 2,614.34, 3,607.80 and 1,435.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.34 : 3,607.80 = 1,435.43 : x
2. Step 2: Convert to fraction form
   2,614.34/3,607.80 = 1,435.43/x
3. Step 3: Cross multiply
   2,614.34x = 3,607.80 × 1,435.43
4. Step 4: Simplify right side
   2,614.34x = 5,178,744.35
5. Step 5: Solve for x
   x = 5,178,744.35/2,614.34
6. Step 6: Final answer
   x = 1,980.90