Finding the Fourth Proportional to 50,001.39, 69,010.29 and 28,776.15

Step by Step Solution

1. Step 1: Write the proportion equation
   50,001.39 : 69,010.29 = 28,776.15 : x
2. Step 2: Convert to fraction form
   50,001.39/69,010.29 = 28,776.15/x
3. Step 3: Cross multiply
   50,001.39x = 69,010.29 × 28,776.15
4. Step 4: Simplify right side
   50,001.39x = 1,985,850,456.58
5. Step 5: Solve for x
   x = 1,985,850,456.58/50,001.39
6. Step 6: Final answer
   x = 39,715.91