Finding the Fourth Proportional to 49,624.41, 68,456.01 and 30,728.73

Step by Step Solution

1. Step 1: Write the proportion equation
   49,624.41 : 68,456.01 = 30,728.73 : x
2. Step 2: Convert to fraction form
   49,624.41/68,456.01 = 30,728.73/x
3. Step 3: Cross multiply
   49,624.41x = 68,456.01 × 30,728.73
4. Step 4: Simplify right side
   49,624.41x = 2,103,566,248.17
5. Step 5: Solve for x
   x = 2,103,566,248.17/49,624.41
6. Step 6: Final answer
   x = 42,389.75