Finding the Fourth Proportional to 3,642.93, 5,025.78 and 2,149.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.93 : 5,025.78 = 2,149.83 : x
2. Step 2: Convert to fraction form
   3,642.93/5,025.78 = 2,149.83/x
3. Step 3: Cross multiply
   3,642.93x = 5,025.78 × 2,149.83
4. Step 4: Simplify right side
   3,642.93x = 10,804,572.62
5. Step 5: Solve for x
   x = 10,804,572.62/3,642.93
6. Step 6: Final answer
   x = 2,965.90