Finding the Fourth Proportional to 35,253, 48,648.25 and 20,144.70

Step by Step Solution

1. Step 1: Write the proportion equation
   35,253 : 48,648.25 = 20,144.70 : x
2. Step 2: Convert to fraction form
   35,253/48,648.25 = 20,144.70/x
3. Step 3: Cross multiply
   35,253x = 48,648.25 × 20,144.70
4. Step 4: Simplify right side
   35,253x = 980,004,401.78
5. Step 5: Solve for x
   x = 980,004,401.78/35,253
6. Step 6: Final answer
   x = 27,799.18