Finding the Fourth Proportional to 22,521.02, 31,076.28 and 12,448.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,521.02 : 31,076.28 = 12,448.08 : x
2. Step 2: Convert to fraction form
   22,521.02/31,076.28 = 12,448.08/x
3. Step 3: Cross multiply
   22,521.02x = 31,076.28 × 12,448.08
4. Step 4: Simplify right side
   22,521.02x = 386,840,019.54
5. Step 5: Solve for x
   x = 386,840,019.54/22,521.02
6. Step 6: Final answer
   x = 17,176.85