Finding the Fourth Proportional to 9,300.82, 12,834.61 and 5,471.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.82 : 12,834.61 = 5,471.86 : x
2. Step 2: Convert to fraction form
   9,300.82/12,834.61 = 5,471.86/x
3. Step 3: Cross multiply
   9,300.82x = 12,834.61 × 5,471.86
4. Step 4: Simplify right side
   9,300.82x = 70,229,234.25
5. Step 5: Solve for x
   x = 70,229,234.25/9,300.82
6. Step 6: Final answer
   x = 7,550.86