Finding the Fourth Proportional to 49,883.50, 68,839.23 and 28,662.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,883.50 : 68,839.23 = 28,662.31 : x
2. Step 2: Convert to fraction form
   49,883.50/68,839.23 = 28,662.31/x
3. Step 3: Cross multiply
   49,883.50x = 68,839.23 × 28,662.31
4. Step 4: Simplify right side
   49,883.50x = 1,973,091,350.42
5. Step 5: Solve for x
   x = 1,973,091,350.42/49,883.50
6. Step 6: Final answer
   x = 39,553.99