Finding the Fourth Proportional to 50,500.71, 69,665.37 and 38,543.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,500.71 : 69,665.37 = 38,543.30 : x
2. Step 2: Convert to fraction form
   50,500.71/69,665.37 = 38,543.30/x
3. Step 3: Cross multiply
   50,500.71x = 69,665.37 × 38,543.30
4. Step 4: Simplify right side
   50,500.71x = 2,685,132,907.19
5. Step 5: Solve for x
   x = 2,685,132,907.19/50,500.71
6. Step 6: Final answer
   x = 53,170.20