Finding the Fourth Proportional to 22,238.82, 33,358.59 and 7,447.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,238.82 : 33,358.59 = 7,447.77 : x
2. Step 2: Convert to fraction form
   22,238.82/33,358.59 = 7,447.77/x
3. Step 3: Cross multiply
   22,238.82x = 33,358.59 × 7,447.77
4. Step 4: Simplify right side
   22,238.82x = 248,447,105.84
5. Step 5: Solve for x
   x = 248,447,105.84/22,238.82
6. Step 6: Final answer
   x = 11,171.78