Finding the Fourth Proportional to 8,380.76, 12,572.49 and 2,832.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,380.76 : 12,572.49 = 2,832.83 : x
2. Step 2: Convert to fraction form
   8,380.76/12,572.49 = 2,832.83/x
3. Step 3: Cross multiply
   8,380.76x = 12,572.49 × 2,832.83
4. Step 4: Simplify right side
   8,380.76x = 35,615,663.98
5. Step 5: Solve for x
   x = 35,615,663.98/8,380.76
6. Step 6: Final answer
   x = 4,249.70