Finding the Fourth Proportional to 3,823.32, 5,275.98 and 2,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,823.32 : 5,275.98 = 2,406.72 : x
2. Step 2: Convert to fraction form
   3,823.32/5,275.98 = 2,406.72/x
3. Step 3: Cross multiply
   3,823.32x = 5,275.98 × 2,406.72
4. Step 4: Simplify right side
   3,823.32x = 12,697,806.59
5. Step 5: Solve for x
   x = 12,697,806.59/3,823.32
6. Step 6: Final answer
   x = 3,321.15