Finding the Fourth Proportional to 35,902.72, 49,544.32 and 21,761.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,902.72 : 49,544.32 = 21,761.28 : x
2. Step 2: Convert to fraction form
   35,902.72/49,544.32 = 21,761.28/x
3. Step 3: Cross multiply
   35,902.72x = 49,544.32 × 21,761.28
4. Step 4: Simplify right side
   35,902.72x = 1,078,147,819.93
5. Step 5: Solve for x
   x = 1,078,147,819.93/35,902.72
6. Step 6: Final answer
   x = 30,029.70