Finding the Fourth Proportional to 50,801.50, 76,202.52 and 13,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,801.50 : 76,202.52 = 13,865.50 : x
2. Step 2: Convert to fraction form
   50,801.50/76,202.52 = 13,865.50/x
3. Step 3: Cross multiply
   50,801.50x = 76,202.52 × 13,865.50
4. Step 4: Simplify right side
   50,801.50x = 1,056,586,041.06
5. Step 5: Solve for x
   x = 1,056,586,041.06/50,801.50
6. Step 6: Final answer
   x = 20,798.32