Finding the Fourth Proportional to 22,705.78, 31,333.24 and 12,633.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,705.78 : 31,333.24 = 12,633.94 : x
2. Step 2: Convert to fraction form
   22,705.78/31,333.24 = 12,633.94/x
3. Step 3: Cross multiply
   22,705.78x = 31,333.24 × 12,633.94
4. Step 4: Simplify right side
   22,705.78x = 395,862,274.17
5. Step 5: Solve for x
   x = 395,862,274.17/22,705.78
6. Step 6: Final answer
   x = 17,434.43