Finding the Fourth Proportional to 8,326.68, 12,492.45 and 3,947.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,326.68 : 12,492.45 = 3,947.82 : x
2. Step 2: Convert to fraction form
   8,326.68/12,492.45 = 3,947.82/x
3. Step 3: Cross multiply
   8,326.68x = 12,492.45 × 3,947.82
4. Step 4: Simplify right side
   8,326.68x = 49,317,943.96
5. Step 5: Solve for x
   x = 49,317,943.96/8,326.68
6. Step 6: Final answer
   x = 5,922.88