Finding the Fourth Proportional to 2,612.93, 3,605.82 and 1,433.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.93 : 3,605.82 = 1,433.93 : x
2. Step 2: Convert to fraction form
   2,612.93/3,605.82 = 1,433.93/x
3. Step 3: Cross multiply
   2,612.93x = 3,605.82 × 1,433.93
4. Step 4: Simplify right side
   2,612.93x = 5,170,493.47
5. Step 5: Solve for x
   x = 5,170,493.47/2,612.93
6. Step 6: Final answer
   x = 1,978.81