Finding the Fourth Proportional to 2,200.77, 3,031.69 and 1,885

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.77 : 3,031.69 = 1,885 : x
2. Step 2: Convert to fraction form
   2,200.77/3,031.69 = 1,885/x
3. Step 3: Cross multiply
   2,200.77x = 3,031.69 × 1,885
4. Step 4: Simplify right side
   2,200.77x = 5,714,735.65
5. Step 5: Solve for x
   x = 5,714,735.65/2,200.77
6. Step 6: Final answer
   x = 2,596.70