Finding the Fourth Proportional to 35,469.82, 48,952.78 and 20,367.20

Step by Step Solution

1. Step 1: Write the proportion equation
   35,469.82 : 48,952.78 = 20,367.20 : x
2. Step 2: Convert to fraction form
   35,469.82/48,952.78 = 20,367.20/x
3. Step 3: Cross multiply
   35,469.82x = 48,952.78 × 20,367.20
4. Step 4: Simplify right side
   35,469.82x = 997,031,060.82
5. Step 5: Solve for x
   x = 997,031,060.82/35,469.82
6. Step 6: Final answer
   x = 28,109.28