Finding the Fourth Proportional to 49,606.42, 68,449.68 and 28,381.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,606.42 : 68,449.68 = 28,381.72 : x
2. Step 2: Convert to fraction form
   49,606.42/68,449.68 = 28,381.72/x
3. Step 3: Cross multiply
   49,606.42x = 68,449.68 × 28,381.72
4. Step 4: Simplify right side
   49,606.42x = 1,942,719,651.85
5. Step 5: Solve for x
   x = 1,942,719,651.85/49,606.42
6. Step 6: Final answer
   x = 39,162.67