Finding the Fourth Proportional to 21,630.06, 32,449.46 and 9,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,630.06 : 32,449.46 = 9,150.12 : x
2. Step 2: Convert to fraction form
   21,630.06/32,449.46 = 9,150.12/x
3. Step 3: Cross multiply
   21,630.06x = 32,449.46 × 9,150.12
4. Step 4: Simplify right side
   21,630.06x = 296,916,452.94
5. Step 5: Solve for x
   x = 296,916,452.94/21,630.06
6. Step 6: Final answer
   x = 13,727.03