Finding the Fourth Proportional to 22,705.88, 31,333.68 and 12,633.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,705.88 : 31,333.68 = 12,633.98 : x
2. Step 2: Convert to fraction form
   22,705.88/31,333.68 = 12,633.98/x
3. Step 3: Cross multiply
   22,705.88x = 31,333.68 × 12,633.98
4. Step 4: Simplify right side
   22,705.88x = 395,869,086.45
5. Step 5: Solve for x
   x = 395,869,086.45/22,705.88
6. Step 6: Final answer
   x = 17,434.65