Finding the Fourth Proportional to 12,238.56, 18,358.02 and 3,473.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238.56 : 18,358.02 = 3,473.49 : x
2. Step 2: Convert to fraction form
   12,238.56/18,358.02 = 3,473.49/x
3. Step 3: Cross multiply
   12,238.56x = 18,358.02 × 3,473.49
4. Step 4: Simplify right side
   12,238.56x = 63,766,398.89
5. Step 5: Solve for x
   x = 63,766,398.89/12,238.56
6. Step 6: Final answer
   x = 5,210.29