Finding the Fourth Proportional to 49,626.91, 68,488.20 and 28,405.69

Step by Step Solution

1. Step 1: Write the proportion equation
   49,626.91 : 68,488.20 = 28,405.69 : x
2. Step 2: Convert to fraction form
   49,626.91/68,488.20 = 28,405.69/x
3. Step 3: Cross multiply
   49,626.91x = 68,488.20 × 28,405.69
4. Step 4: Simplify right side
   49,626.91x = 1,945,454,093.39
5. Step 5: Solve for x
   x = 1,945,454,093.39/49,626.91
6. Step 6: Final answer
   x = 39,201.60