Finding the Fourth Proportional to 50,575.18, 69,793.74 and 28,219.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,575.18 : 69,793.74 = 28,219.18 : x
2. Step 2: Convert to fraction form
   50,575.18/69,793.74 = 28,219.18/x
3. Step 3: Cross multiply
   50,575.18x = 69,793.74 × 28,219.18
4. Step 4: Simplify right side
   50,575.18x = 1,969,522,111.93
5. Step 5: Solve for x
   x = 1,969,522,111.93/50,575.18
6. Step 6: Final answer
   x = 38,942.46