Finding the Fourth Proportional to 3,805.38, 5,704.29 and 2,158.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.38 : 5,704.29 = 2,158.52 : x
2. Step 2: Convert to fraction form
   3,805.38/5,704.29 = 2,158.52/x
3. Step 3: Cross multiply
   3,805.38x = 5,704.29 × 2,158.52
4. Step 4: Simplify right side
   3,805.38x = 12,312,795.53
5. Step 5: Solve for x
   x = 12,312,795.53/3,805.38
6. Step 6: Final answer
   x = 3,235.63