Finding the Fourth Proportional to 50,123.43, 69,174.27 and 28,909.53

Step by Step Solution

1. Step 1: Write the proportion equation
   50,123.43 : 69,174.27 = 28,909.53 : x
2. Step 2: Convert to fraction form
   50,123.43/69,174.27 = 28,909.53/x
3. Step 3: Cross multiply
   50,123.43x = 69,174.27 × 28,909.53
4. Step 4: Simplify right side
   50,123.43x = 1,999,795,633.79
5. Step 5: Solve for x
   x = 1,999,795,633.79/50,123.43
6. Step 6: Final answer
   x = 39,897.42