Finding the Fourth Proportional to 50,589.72, 69,813.76 and 28,233.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,589.72 : 69,813.76 = 28,233.72 : x
2. Step 2: Convert to fraction form
   50,589.72/69,813.76 = 28,233.72/x
3. Step 3: Cross multiply
   50,589.72x = 69,813.76 × 28,233.72
4. Step 4: Simplify right side
   50,589.72x = 1,971,102,151.99
5. Step 5: Solve for x
   x = 1,971,102,151.99/50,589.72
6. Step 6: Final answer
   x = 38,962.50