Finding the Fourth Proportional to 3,116.88, 4,300.29 and 2,069.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.88 : 4,300.29 = 2,069.15 : x
2. Step 2: Convert to fraction form
   3,116.88/4,300.29 = 2,069.15/x
3. Step 3: Cross multiply
   3,116.88x = 4,300.29 × 2,069.15
4. Step 4: Simplify right side
   3,116.88x = 8,897,923.55
5. Step 5: Solve for x
   x = 8,897,923.55/3,116.88
6. Step 6: Final answer
   x = 2,854.75