Finding the Fourth Proportional to 2,612.22, 3,604.59 and 1,433.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.22 : 3,604.59 = 1,433.16 : x
2. Step 2: Convert to fraction form
   2,612.22/3,604.59 = 1,433.16/x
3. Step 3: Cross multiply
   2,612.22x = 3,604.59 × 1,433.16
4. Step 4: Simplify right side
   2,612.22x = 5,165,954.20
5. Step 5: Solve for x
   x = 5,165,954.20/2,612.22
6. Step 6: Final answer
   x = 1,977.61