Finding the Fourth Proportional to 2,614.22, 3,607.64 and 1,435.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.22 : 3,607.64 = 1,435.31 : x
2. Step 2: Convert to fraction form
   2,614.22/3,607.64 = 1,435.31/x
3. Step 3: Cross multiply
   2,614.22x = 3,607.64 × 1,435.31
4. Step 4: Simplify right side
   2,614.22x = 5,178,056.55
5. Step 5: Solve for x
   x = 5,178,056.55/2,614.22
6. Step 6: Final answer
   x = 1,980.73