Finding the Fourth Proportional to 22,196.84, 30,635.01 and 12,764.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.84 : 30,635.01 = 12,764.79 : x
2. Step 2: Convert to fraction form
   22,196.84/30,635.01 = 12,764.79/x
3. Step 3: Cross multiply
   22,196.84x = 30,635.01 × 12,764.79
4. Step 4: Simplify right side
   22,196.84x = 391,049,469.30
5. Step 5: Solve for x
   x = 391,049,469.30/22,196.84
6. Step 6: Final answer
   x = 17,617.35