Finding the Fourth Proportional to 281,830.22, 422,760.18 and 71,469.98

Step by Step Solution

1. Step 1: Write the proportion equation
   281,830.22 : 422,760.18 = 71,469.98 : x
2. Step 2: Convert to fraction form
   281,830.22/422,760.18 = 71,469.98/x
3. Step 3: Cross multiply
   281,830.22x = 422,760.18 × 71,469.98
4. Step 4: Simplify right side
   281,830.22x = 30,214,661,609.40
5. Step 5: Solve for x
   x = 30,214,661,609.40/281,830.22
6. Step 6: Final answer
   x = 107,208.74