Finding the Fourth Proportional to 8,327.08, 12,490.56 and 3,396.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,327.08 : 12,490.56 = 3,396.70 : x
2. Step 2: Convert to fraction form
   8,327.08/12,490.56 = 3,396.70/x
3. Step 3: Cross multiply
   8,327.08x = 12,490.56 × 3,396.70
4. Step 4: Simplify right side
   8,327.08x = 42,426,685.15
5. Step 5: Solve for x
   x = 42,426,685.15/8,327.08
6. Step 6: Final answer
   x = 5,095.03