Finding the Fourth Proportional to 49,606.17, 68,449.34 and 28,381.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,606.17 : 68,449.34 = 28,381.47 : x
2. Step 2: Convert to fraction form
   49,606.17/68,449.34 = 28,381.47/x
3. Step 3: Cross multiply
   49,606.17x = 68,449.34 × 28,381.47
4. Step 4: Simplify right side
   49,606.17x = 1,942,692,747.82
5. Step 5: Solve for x
   x = 1,942,692,747.82/49,606.17
6. Step 6: Final answer
   x = 39,162.32