Finding the Fourth Proportional to 50,688.39, 69,946.98 and 28,025.61

Step by Step Solution

1. Step 1: Write the proportion equation
   50,688.39 : 69,946.98 = 28,025.61 : x
2. Step 2: Convert to fraction form
   50,688.39/69,946.98 = 28,025.61/x
3. Step 3: Cross multiply
   50,688.39x = 69,946.98 × 28,025.61
4. Step 4: Simplify right side
   50,688.39x = 1,960,306,375.46
5. Step 5: Solve for x
   x = 1,960,306,375.46/50,688.39
6. Step 6: Final answer
   x = 38,673.67