Finding the Fourth Proportional to 281,667.22, 422,501.55 and 71,305.18

Step by Step Solution

1. Step 1: Write the proportion equation
   281,667.22 : 422,501.55 = 71,305.18 : x
2. Step 2: Convert to fraction form
   281,667.22/422,501.55 = 71,305.18/x
3. Step 3: Cross multiply
   281,667.22x = 422,501.55 × 71,305.18
4. Step 4: Simplify right side
   281,667.22x = 30,126,549,073.03
5. Step 5: Solve for x
   x = 30,126,549,073.03/281,667.22
6. Step 6: Final answer
   x = 106,957.95