Finding the Fourth Proportional to 49,704.58, 68,593.89 and 28,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,704.58 : 68,593.89 = 28,490.50 : x
2. Step 2: Convert to fraction form
   49,704.58/68,593.89 = 28,490.50/x
3. Step 3: Cross multiply
   49,704.58x = 68,593.89 × 28,490.50
4. Step 4: Simplify right side
   49,704.58x = 1,954,274,223.05
5. Step 5: Solve for x
   x = 1,954,274,223.05/49,704.58
6. Step 6: Final answer
   x = 39,317.79