Finding the Fourth Proportional to 2,612.84, 3,605.82 and 1,433.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.84 : 3,605.82 = 1,433.96 : x
2. Step 2: Convert to fraction form
   2,612.84/3,605.82 = 1,433.96/x
3. Step 3: Cross multiply
   2,612.84x = 3,605.82 × 1,433.96
4. Step 4: Simplify right side
   2,612.84x = 5,170,601.65
5. Step 5: Solve for x
   x = 5,170,601.65/2,612.84
6. Step 6: Final answer
   x = 1,978.92