Finding the Fourth Proportional to 5,870.86, 8,806.49 and 2,947.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.86 : 8,806.49 = 2,947.57 : x
2. Step 2: Convert to fraction form
   5,870.86/8,806.49 = 2,947.57/x
3. Step 3: Cross multiply
   5,870.86x = 8,806.49 × 2,947.57
4. Step 4: Simplify right side
   5,870.86x = 25,957,745.73
5. Step 5: Solve for x
   x = 25,957,745.73/5,870.86
6. Step 6: Final answer
   x = 4,421.46