Finding the Fourth Proportional to 50,871.53, 70,202.71 and 28,213.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,871.53 : 70,202.71 = 28,213.98 : x
2. Step 2: Convert to fraction form
   50,871.53/70,202.71 = 28,213.98/x
3. Step 3: Cross multiply
   50,871.53x = 70,202.71 × 28,213.98
4. Step 4: Simplify right side
   50,871.53x = 1,980,697,855.89
5. Step 5: Solve for x
   x = 1,980,697,855.89/50,871.53
6. Step 6: Final answer
   x = 38,935.29