Finding the Fourth Proportional to 50,910.62, 70,270 and 28,561.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,910.62 : 70,270 = 28,561.82 : x
2. Step 2: Convert to fraction form
   50,910.62/70,270 = 28,561.82/x
3. Step 3: Cross multiply
   50,910.62x = 70,270 × 28,561.82
4. Step 4: Simplify right side
   50,910.62x = 2,007,039,091.40
5. Step 5: Solve for x
   x = 2,007,039,091.40/50,910.62
6. Step 6: Final answer
   x = 39,422.80