Finding the Fourth Proportional to 50,878.47, 70,211.84 and 28,522.47

Step by Step Solution

1. Step 1: Write the proportion equation
   50,878.47 : 70,211.84 = 28,522.47 : x
2. Step 2: Convert to fraction form
   50,878.47/70,211.84 = 28,522.47/x
3. Step 3: Cross multiply
   50,878.47x = 70,211.84 × 28,522.47
4. Step 4: Simplify right side
   50,878.47x = 2,002,614,957.43
5. Step 5: Solve for x
   x = 2,002,614,957.43/50,878.47
6. Step 6: Final answer
   x = 39,360.75