Finding the Fourth Proportional to 39,908.50, 55,076.22 and 22,003.48

Step by Step Solution

1. Step 1: Write the proportion equation
   39,908.50 : 55,076.22 = 22,003.48 : x
2. Step 2: Convert to fraction form
   39,908.50/55,076.22 = 22,003.48/x
3. Step 3: Cross multiply
   39,908.50x = 55,076.22 × 22,003.48
4. Step 4: Simplify right side
   39,908.50x = 1,211,868,505.25
5. Step 5: Solve for x
   x = 1,211,868,505.25/39,908.50
6. Step 6: Final answer
   x = 30,366.18