Finding the Fourth Proportional to 3,844.71, 5,762.89 and 1,866.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,844.71 : 5,762.89 = 1,866.16 : x
2. Step 2: Convert to fraction form
   3,844.71/5,762.89 = 1,866.16/x
3. Step 3: Cross multiply
   3,844.71x = 5,762.89 × 1,866.16
4. Step 4: Simplify right side
   3,844.71x = 10,754,474.80
5. Step 5: Solve for x
   x = 10,754,474.80/3,844.71
6. Step 6: Final answer
   x = 2,797.21