Finding the Fourth Proportional to 31,279.50, 43,169.87 and 17,847.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,279.50 : 43,169.87 = 17,847.68 : x
2. Step 2: Convert to fraction form
   31,279.50/43,169.87 = 17,847.68/x
3. Step 3: Cross multiply
   31,279.50x = 43,169.87 × 17,847.68
4. Step 4: Simplify right side
   31,279.50x = 770,482,016.06
5. Step 5: Solve for x
   x = 770,482,016.06/31,279.50
6. Step 6: Final answer
   x = 24,632.17