Finding the Fourth Proportional to 3,880.91, 5,817.33 and 1,799.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880.91 : 5,817.33 = 1,799.20 : x
2. Step 2: Convert to fraction form
   3,880.91/5,817.33 = 1,799.20/x
3. Step 3: Cross multiply
   3,880.91x = 5,817.33 × 1,799.20
4. Step 4: Simplify right side
   3,880.91x = 10,466,558.71
5. Step 5: Solve for x
   x = 10,466,558.71/3,880.91
6. Step 6: Final answer
   x = 2,696.93