Finding the Fourth Proportional to 22,705.11, 31,333.77 and 12,496.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,705.11 : 31,333.77 = 12,496.55 : x
2. Step 2: Convert to fraction form
   22,705.11/31,333.77 = 12,496.55/x
3. Step 3: Cross multiply
   22,705.11x = 31,333.77 × 12,496.55
4. Step 4: Simplify right side
   22,705.11x = 391,563,866.82
5. Step 5: Solve for x
   x = 391,563,866.82/22,705.11
6. Step 6: Final answer
   x = 17,245.63