Finding the Fourth Proportional to 12,267.73, 18,401.16 and 3,948.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,267.73 : 18,401.16 = 3,948.31 : x
2. Step 2: Convert to fraction form
   12,267.73/18,401.16 = 3,948.31/x
3. Step 3: Cross multiply
   12,267.73x = 18,401.16 × 3,948.31
4. Step 4: Simplify right side
   12,267.73x = 72,653,484.04
5. Step 5: Solve for x
   x = 72,653,484.04/12,267.73
6. Step 6: Final answer
   x = 5,922.32