Finding the Fourth Proportional to 49,049.10, 67,695.35 and 28,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,049.10 : 67,695.35 = 28,912.50 : x
2. Step 2: Convert to fraction form
   49,049.10/67,695.35 = 28,912.50/x
3. Step 3: Cross multiply
   49,049.10x = 67,695.35 × 28,912.50
4. Step 4: Simplify right side
   49,049.10x = 1,957,241,662.31
5. Step 5: Solve for x
   x = 1,957,241,662.31/49,049.10
6. Step 6: Final answer
   x = 39,903.72