Finding the Fourth Proportional to 49,016.58, 67,648.89 and 28,872.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,016.58 : 67,648.89 = 28,872.42 : x
2. Step 2: Convert to fraction form
   49,016.58/67,648.89 = 28,872.42/x
3. Step 3: Cross multiply
   49,016.58x = 67,648.89 × 28,872.42
4. Step 4: Simplify right side
   49,016.58x = 1,953,187,164.61
5. Step 5: Solve for x
   x = 1,953,187,164.61/49,016.58
6. Step 6: Final answer
   x = 39,847.48