Finding the Fourth Proportional to 3,870.76, 5,806.62 and 2,832.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.76 : 5,806.62 = 2,832.04 : x
2. Step 2: Convert to fraction form
   3,870.76/5,806.62 = 2,832.04/x
3. Step 3: Cross multiply
   3,870.76x = 5,806.62 × 2,832.04
4. Step 4: Simplify right side
   3,870.76x = 16,444,580.10
5. Step 5: Solve for x
   x = 16,444,580.10/3,870.76
6. Step 6: Final answer
   x = 4,248.41