Finding the Fourth Proportional to 3,898.76, 5,815.25 and 3,782.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898.76 : 5,815.25 = 3,782.04 : x
2. Step 2: Convert to fraction form
   3,898.76/5,815.25 = 3,782.04/x
3. Step 3: Cross multiply
   3,898.76x = 5,815.25 × 3,782.04
4. Step 4: Simplify right side
   3,898.76x = 21,993,489.20
5. Step 5: Solve for x
   x = 21,993,489.20/3,898.76
6. Step 6: Final answer
   x = 5,641.16