Finding the Fourth Proportional to 3,884.37, 5,823.51 and 2,648.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884.37 : 5,823.51 = 2,648.71 : x
2. Step 2: Convert to fraction form
   3,884.37/5,823.51 = 2,648.71/x
3. Step 3: Cross multiply
   3,884.37x = 5,823.51 × 2,648.71
4. Step 4: Simplify right side
   3,884.37x = 15,424,775.93
5. Step 5: Solve for x
   x = 15,424,775.93/3,884.37
6. Step 6: Final answer
   x = 3,970.99