Finding the Fourth Proportional to 2,889.83, 3,987.83 and 1,630.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.83 : 3,987.83 = 1,630.91 : x
2. Step 2: Convert to fraction form
   2,889.83/3,987.83 = 1,630.91/x
3. Step 3: Cross multiply
   2,889.83x = 3,987.83 × 1,630.91
4. Step 4: Simplify right side
   2,889.83x = 6,503,775.96
5. Step 5: Solve for x
   x = 6,503,775.96/2,889.83
6. Step 6: Final answer
   x = 2,250.58