Finding the Fourth Proportional to 49,123.72, 73,694.49 and 28,087.48

Step by Step Solution

1. Step 1: Write the proportion equation
   49,123.72 : 73,694.49 = 28,087.48 : x
2. Step 2: Convert to fraction form
   49,123.72/73,694.49 = 28,087.48/x
3. Step 3: Cross multiply
   49,123.72x = 73,694.49 × 28,087.48
4. Step 4: Simplify right side
   49,123.72x = 2,069,892,513.99
5. Step 5: Solve for x
   x = 2,069,892,513.99/49,123.72
6. Step 6: Final answer
   x = 42,136.31