Finding the Fourth Proportional to 2,612.34, 3,605.02 and 1,433.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.34 : 3,605.02 = 1,433.38 : x
2. Step 2: Convert to fraction form
   2,612.34/3,605.02 = 1,433.38/x
3. Step 3: Cross multiply
   2,612.34x = 3,605.02 × 1,433.38
4. Step 4: Simplify right side
   2,612.34x = 5,167,363.57
5. Step 5: Solve for x
   x = 5,167,363.57/2,612.34
6. Step 6: Final answer
   x = 1,978.06