Finding the Fourth Proportional to 50,586, 69,808.72 and 28,230

Step by Step Solution

1. Step 1: Write the proportion equation
   50,586 : 69,808.72 = 28,230 : x
2. Step 2: Convert to fraction form
   50,586/69,808.72 = 28,230/x
3. Step 3: Cross multiply
   50,586x = 69,808.72 × 28,230
4. Step 4: Simplify right side
   50,586x = 1,970,700,165.60
5. Step 5: Solve for x
   x = 1,970,700,165.60/50,586
6. Step 6: Final answer
   x = 38,957.42