Finding the Fourth Proportional to 49,626.89, 68,488.17 and 28,405.70

Step by Step Solution

1. Step 1: Write the proportion equation
   49,626.89 : 68,488.17 = 28,405.70 : x
2. Step 2: Convert to fraction form
   49,626.89/68,488.17 = 28,405.70/x
3. Step 3: Cross multiply
   49,626.89x = 68,488.17 × 28,405.70
4. Step 4: Simplify right side
   49,626.89x = 1,945,454,410.57
5. Step 5: Solve for x
   x = 1,945,454,410.57/49,626.89
6. Step 6: Final answer
   x = 39,201.62