Finding the Fourth Proportional to 105,866.86, 158,796.51 and 26,980.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,866.86 : 158,796.51 = 26,980.42 : x
2. Step 2: Convert to fraction form
   105,866.86/158,796.51 = 26,980.42/x
3. Step 3: Cross multiply
   105,866.86x = 158,796.51 × 26,980.42
4. Step 4: Simplify right side
   105,866.86x = 4,284,396,534.33
5. Step 5: Solve for x
   x = 4,284,396,534.33/105,866.86
6. Step 6: Final answer
   x = 40,469.67