Finding the Fourth Proportional to 49,639.84, 68,578.32 and 37,042.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,639.84 : 68,578.32 = 37,042.72 : x
2. Step 2: Convert to fraction form
   49,639.84/68,578.32 = 37,042.72/x
3. Step 3: Cross multiply
   49,639.84x = 68,578.32 × 37,042.72
4. Step 4: Simplify right side
   49,639.84x = 2,540,327,505.83
5. Step 5: Solve for x
   x = 2,540,327,505.83/49,639.84
6. Step 6: Final answer
   x = 51,175.18