Finding the Fourth Proportional to 3,850.74, 5,767.47 and 2,385.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,850.74 : 5,767.47 = 2,385.72 : x
2. Step 2: Convert to fraction form
   3,850.74/5,767.47 = 2,385.72/x
3. Step 3: Cross multiply
   3,850.74x = 5,767.47 × 2,385.72
4. Step 4: Simplify right side
   3,850.74x = 13,759,568.53
5. Step 5: Solve for x
   x = 13,759,568.53/3,850.74
6. Step 6: Final answer
   x = 3,573.23