Finding the Fourth Proportional to 2,030.88, 3,044.13 and 860.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.88 : 3,044.13 = 860.61 : x
2. Step 2: Convert to fraction form
   2,030.88/3,044.13 = 860.61/x
3. Step 3: Cross multiply
   2,030.88x = 3,044.13 × 860.61
4. Step 4: Simplify right side
   2,030.88x = 2,619,808.72
5. Step 5: Solve for x
   x = 2,619,808.72/2,030.88
6. Step 6: Final answer
   x = 1,289.99