Finding the Fourth Proportional to 50,803.72, 70,109.28 and 28,447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,803.72 : 70,109.28 = 28,447.72 : x
2. Step 2: Convert to fraction form
   50,803.72/70,109.28 = 28,447.72/x
3. Step 3: Cross multiply
   50,803.72x = 70,109.28 × 28,447.72
4. Step 4: Simplify right side
   50,803.72x = 1,994,449,166.84
5. Step 5: Solve for x
   x = 1,994,449,166.84/50,803.72
6. Step 6: Final answer
   x = 39,257.94