Finding the Fourth Proportional to 49,584.42, 68,419.35 and 28,359.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,584.42 : 68,419.35 = 28,359.72 : x
2. Step 2: Convert to fraction form
   49,584.42/68,419.35 = 28,359.72/x
3. Step 3: Cross multiply
   49,584.42x = 68,419.35 × 28,359.72
4. Step 4: Simplify right side
   49,584.42x = 1,940,353,608.58
5. Step 5: Solve for x
   x = 1,940,353,608.58/49,584.42
6. Step 6: Final answer
   x = 39,132.32