Finding the Fourth Proportional to 7,016.06, 10,516.77 and 2,854.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.06 : 10,516.77 = 2,854.40 : x
2. Step 2: Convert to fraction form
   7,016.06/10,516.77 = 2,854.40/x
3. Step 3: Cross multiply
   7,016.06x = 10,516.77 × 2,854.40
4. Step 4: Simplify right side
   7,016.06x = 30,019,068.29
5. Step 5: Solve for x
   x = 30,019,068.29/7,016.06
6. Step 6: Final answer
   x = 4,278.62