Finding the Fourth Proportional to 49,951.29, 68,930.76 and 28,443.96

Step by Step Solution

1. Step 1: Write the proportion equation
   49,951.29 : 68,930.76 = 28,443.96 : x
2. Step 2: Convert to fraction form
   49,951.29/68,930.76 = 28,443.96/x
3. Step 3: Cross multiply
   49,951.29x = 68,930.76 × 28,443.96
4. Step 4: Simplify right side
   49,951.29x = 1,960,663,780.21
5. Step 5: Solve for x
   x = 1,960,663,780.21/49,951.29
6. Step 6: Final answer
   x = 39,251.51