Finding the Fourth Proportional to 50,006.64, 69,016.41 and 28,785.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,006.64 : 69,016.41 = 28,785.72 : x
2. Step 2: Convert to fraction form
   50,006.64/69,016.41 = 28,785.72/x
3. Step 3: Cross multiply
   50,006.64x = 69,016.41 × 28,785.72
4. Step 4: Simplify right side
   50,006.64x = 1,986,687,053.67
5. Step 5: Solve for x
   x = 1,986,687,053.67/50,006.64
6. Step 6: Final answer
   x = 39,728.47