Finding the Fourth Proportional to 50,836.50, 70,155.18 and 28,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,836.50 : 70,155.18 = 28,480.50 : x
2. Step 2: Convert to fraction form
   50,836.50/70,155.18 = 28,480.50/x
3. Step 3: Cross multiply
   50,836.50x = 70,155.18 × 28,480.50
4. Step 4: Simplify right side
   50,836.50x = 1,998,054,603.99
5. Step 5: Solve for x
   x = 1,998,054,603.99/50,836.50
6. Step 6: Final answer
   x = 39,303.54