Finding the Fourth Proportional to 8,238.84, 12,359.88 and 3,045.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,238.84 : 12,359.88 = 3,045.12 : x
2. Step 2: Convert to fraction form
   8,238.84/12,359.88 = 3,045.12/x
3. Step 3: Cross multiply
   8,238.84x = 12,359.88 × 3,045.12
4. Step 4: Simplify right side
   8,238.84x = 37,637,317.79
5. Step 5: Solve for x
   x = 37,637,317.79/8,238.84
6. Step 6: Final answer
   x = 4,568.28