Finding the Fourth Proportional to 49,443.29, 68,243.94 and 28,234.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443.29 : 68,243.94 = 28,234.86 : x
2. Step 2: Convert to fraction form
   49,443.29/68,243.94 = 28,234.86/x
3. Step 3: Cross multiply
   49,443.29x = 68,243.94 × 28,234.86
4. Step 4: Simplify right side
   49,443.29x = 1,926,858,091.75
5. Step 5: Solve for x
   x = 1,926,858,091.75/49,443.29
6. Step 6: Final answer
   x = 38,971.08