Finding the Fourth Proportional to 12,832.56, 19,249.20 and 3,948.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,832.56 : 19,249.20 = 3,948.12 : x
2. Step 2: Convert to fraction form
   12,832.56/19,249.20 = 3,948.12/x
3. Step 3: Cross multiply
   12,832.56x = 19,249.20 × 3,948.12
4. Step 4: Simplify right side
   12,832.56x = 75,998,151.50
5. Step 5: Solve for x
   x = 75,998,151.50/12,832.56
6. Step 6: Final answer
   x = 5,922.29