Finding the Fourth Proportional to 2,612.16, 3,604.84 and 1,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.16 : 3,604.84 = 1,433.31 : x
2. Step 2: Convert to fraction form
   2,612.16/3,604.84 = 1,433.31/x
3. Step 3: Cross multiply
   2,612.16x = 3,604.84 × 1,433.31
4. Step 4: Simplify right side
   2,612.16x = 5,166,836.12
5. Step 5: Solve for x
   x = 5,166,836.12/2,612.16
6. Step 6: Final answer
   x = 1,977.99