Finding the Fourth Proportional to 7,019.91, 10,529.82 and 2,859.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.91 : 10,529.82 = 2,859.84 : x
2. Step 2: Convert to fraction form
   7,019.91/10,529.82 = 2,859.84/x
3. Step 3: Cross multiply
   7,019.91x = 10,529.82 × 2,859.84
4. Step 4: Simplify right side
   7,019.91x = 30,113,600.43
5. Step 5: Solve for x
   x = 30,113,600.43/7,019.91
6. Step 6: Final answer
   x = 4,289.74