Finding the Fourth Proportional to 50,565.98, 69,617.04 and 39,791.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,565.98 : 69,617.04 = 39,791.86 : x
2. Step 2: Convert to fraction form
   50,565.98/69,617.04 = 39,791.86/x
3. Step 3: Cross multiply
   50,565.98x = 69,617.04 × 39,791.86
4. Step 4: Simplify right side
   50,565.98x = 2,770,191,509.29
5. Step 5: Solve for x
   x = 2,770,191,509.29/50,565.98
6. Step 6: Final answer
   x = 54,783.70