Finding the Fourth Proportional to 49,142.73, 73,575.45 and 47,568.09

Step by Step Solution

1. Step 1: Write the proportion equation
   49,142.73 : 73,575.45 = 47,568.09 : x
2. Step 2: Convert to fraction form
   49,142.73/73,575.45 = 47,568.09/x
3. Step 3: Cross multiply
   49,142.73x = 73,575.45 × 47,568.09
4. Step 4: Simplify right side
   49,142.73x = 3,499,843,627.39
5. Step 5: Solve for x
   x = 3,499,843,627.39/49,142.73
6. Step 6: Final answer
   x = 71,217.93