Finding the Fourth Proportional to 49,686.21, 68,573.25 and 28,465.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,686.21 : 68,573.25 = 28,465.56 : x
2. Step 2: Convert to fraction form
   49,686.21/68,573.25 = 28,465.56/x
3. Step 3: Cross multiply
   49,686.21x = 68,573.25 × 28,465.56
4. Step 4: Simplify right side
   49,686.21x = 1,951,975,962.27
5. Step 5: Solve for x
   x = 1,951,975,962.27/49,686.21
6. Step 6: Final answer
   x = 39,286.07