Finding the Fourth Proportional to 7,191.05, 10,789.65 and 4,859.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,191.05 : 10,789.65 = 4,859.82 : x
2. Step 2: Convert to fraction form
   7,191.05/10,789.65 = 4,859.82/x
3. Step 3: Cross multiply
   7,191.05x = 10,789.65 × 4,859.82
4. Step 4: Simplify right side
   7,191.05x = 52,435,756.86
5. Step 5: Solve for x
   x = 52,435,756.86/7,191.05
6. Step 6: Final answer
   x = 7,291.81