Finding the Fourth Proportional to 7,019.51, 10,525.33 and 2,854.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.51 : 10,525.33 = 2,854.64 : x
2. Step 2: Convert to fraction form
   7,019.51/10,525.33 = 2,854.64/x
3. Step 3: Cross multiply
   7,019.51x = 10,525.33 × 2,854.64
4. Step 4: Simplify right side
   7,019.51x = 30,046,008.85
5. Step 5: Solve for x
   x = 30,046,008.85/7,019.51
6. Step 6: Final answer
   x = 4,280.36