Finding the Fourth Proportional to 16,774.04, 23,148.72 and 9,220.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,774.04 : 23,148.72 = 9,220.62 : x
2. Step 2: Convert to fraction form
   16,774.04/23,148.72 = 9,220.62/x
3. Step 3: Cross multiply
   16,774.04x = 23,148.72 × 9,220.62
4. Step 4: Simplify right side
   16,774.04x = 213,445,550.61
5. Step 5: Solve for x
   x = 213,445,550.61/16,774.04
6. Step 6: Final answer
   x = 12,724.76