Finding the Fourth Proportional to 2,612.15, 3,604.82 and 1,433.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.15 : 3,604.82 = 1,433.22 : x
2. Step 2: Convert to fraction form
   2,612.15/3,604.82 = 1,433.22/x
3. Step 3: Cross multiply
   2,612.15x = 3,604.82 × 1,433.22
4. Step 4: Simplify right side
   2,612.15x = 5,166,484.81
5. Step 5: Solve for x
   x = 5,166,484.81/2,612.15
6. Step 6: Final answer
   x = 1,977.87