Finding the Fourth Proportional to 50,378.50, 69,522.74 and 28,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,378.50 : 69,522.74 = 28,022.50 : x
2. Step 2: Convert to fraction form
   50,378.50/69,522.74 = 28,022.50/x
3. Step 3: Cross multiply
   50,378.50x = 69,522.74 × 28,022.50
4. Step 4: Simplify right side
   50,378.50x = 1,948,200,981.65
5. Step 5: Solve for x
   x = 1,948,200,981.65/50,378.50
6. Step 6: Final answer
   x = 38,671.28