Finding the Fourth Proportional to 7,019.67, 10,520.37 and 2,854.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.67 : 10,520.37 = 2,854.77 : x
2. Step 2: Convert to fraction form
   7,019.67/10,520.37 = 2,854.77/x
3. Step 3: Cross multiply
   7,019.67x = 10,520.37 × 2,854.77
4. Step 4: Simplify right side
   7,019.67x = 30,033,236.66
5. Step 5: Solve for x
   x = 30,033,236.66/7,019.67
6. Step 6: Final answer
   x = 4,278.44