Finding the Fourth Proportional to 49,894.50, 68,854.56 and 28,672.38

Step by Step Solution

1. Step 1: Write the proportion equation
   49,894.50 : 68,854.56 = 28,672.38 : x
2. Step 2: Convert to fraction form
   49,894.50/68,854.56 = 28,672.38/x
3. Step 3: Cross multiply
   49,894.50x = 68,854.56 × 28,672.38
4. Step 4: Simplify right side
   49,894.50x = 1,974,224,109.05
5. Step 5: Solve for x
   x = 1,974,224,109.05/49,894.50
6. Step 6: Final answer
   x = 39,567.97