Finding the Fourth Proportional to 49,728.52, 68,619.72 and 28,514.62

Step by Step Solution

1. Step 1: Write the proportion equation
   49,728.52 : 68,619.72 = 28,514.62 : x
2. Step 2: Convert to fraction form
   49,728.52/68,619.72 = 28,514.62/x
3. Step 3: Cross multiply
   49,728.52x = 68,619.72 × 28,514.62
4. Step 4: Simplify right side
   49,728.52x = 1,956,665,240.31
5. Step 5: Solve for x
   x = 1,956,665,240.31/49,728.52
6. Step 6: Final answer
   x = 39,346.94