Finding the Fourth Proportional to 49,496.27, 68,309.80 and 28,278.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,496.27 : 68,309.80 = 28,278.72 : x
2. Step 2: Convert to fraction form
   49,496.27/68,309.80 = 28,278.72/x
3. Step 3: Cross multiply
   49,496.27x = 68,309.80 × 28,278.72
4. Step 4: Simplify right side
   49,496.27x = 1,931,713,636.76
5. Step 5: Solve for x
   x = 1,931,713,636.76/49,496.27
6. Step 6: Final answer
   x = 39,027.46