Finding the Fourth Proportional to 50,017.86, 69,042.03 and 28,805.58

Step by Step Solution

1. Step 1: Write the proportion equation
   50,017.86 : 69,042.03 = 28,805.58 : x
2. Step 2: Convert to fraction form
   50,017.86/69,042.03 = 28,805.58/x
3. Step 3: Cross multiply
   50,017.86x = 69,042.03 × 28,805.58
4. Step 4: Simplify right side
   50,017.86x = 1,988,795,718.53
5. Step 5: Solve for x
   x = 1,988,795,718.53/50,017.86
6. Step 6: Final answer
   x = 39,761.71