Finding the Fourth Proportional to 3,895.83, 5,376.20 and 2,403.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.83 : 5,376.20 = 2,403.15 : x
2. Step 2: Convert to fraction form
   3,895.83/5,376.20 = 2,403.15/x
3. Step 3: Cross multiply
   3,895.83x = 5,376.20 × 2,403.15
4. Step 4: Simplify right side
   3,895.83x = 12,919,815.03
5. Step 5: Solve for x
   x = 12,919,815.03/3,895.83
6. Step 6: Final answer
   x = 3,316.32