Finding the Fourth Proportional to 3,880.32, 5,821.38 and 1,283.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880.32 : 5,821.38 = 1,283.25 : x
2. Step 2: Convert to fraction form
   3,880.32/5,821.38 = 1,283.25/x
3. Step 3: Cross multiply
   3,880.32x = 5,821.38 × 1,283.25
4. Step 4: Simplify right side
   3,880.32x = 7,470,285.89
5. Step 5: Solve for x
   x = 7,470,285.89/3,880.32
6. Step 6: Final answer
   x = 1,925.17