Finding the Fourth Proportional to 2,110.15, 2,890.86 and 2,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.15 : 2,890.86 = 2,031.27 : x
2. Step 2: Convert to fraction form
   2,110.15/2,890.86 = 2,031.27/x
3. Step 3: Cross multiply
   2,110.15x = 2,890.86 × 2,031.27
4. Step 4: Simplify right side
   2,110.15x = 5,872,117.19
5. Step 5: Solve for x
   x = 5,872,117.19/2,110.15
6. Step 6: Final answer
   x = 2,782.80