Finding the Fourth Proportional to 2,612.84, 3,605.74 and 1,433.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.84 : 3,605.74 = 1,433.94 : x
2. Step 2: Convert to fraction form
   2,612.84/3,605.74 = 1,433.94/x
3. Step 3: Cross multiply
   2,612.84x = 3,605.74 × 1,433.94
4. Step 4: Simplify right side
   2,612.84x = 5,170,414.82
5. Step 5: Solve for x
   x = 5,170,414.82/2,612.84
6. Step 6: Final answer
   x = 1,978.85