Finding the Fourth Proportional to 8,328.04, 12,492.78 and 3,398.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,328.04 : 12,492.78 = 3,398.02 : x
2. Step 2: Convert to fraction form
   8,328.04/12,492.78 = 3,398.02/x
3. Step 3: Cross multiply
   8,328.04x = 12,492.78 × 3,398.02
4. Step 4: Simplify right side
   8,328.04x = 42,450,716.30
5. Step 5: Solve for x
   x = 42,450,716.30/8,328.04
6. Step 6: Final answer
   x = 5,097.32