Finding the Fourth Proportional to 281,667.56, 422,514.78 and 71,307.24

Step by Step Solution

1. Step 1: Write the proportion equation
   281,667.56 : 422,514.78 = 71,307.24 : x
2. Step 2: Convert to fraction form
   281,667.56/422,514.78 = 71,307.24/x
3. Step 3: Cross multiply
   281,667.56x = 422,514.78 × 71,307.24
4. Step 4: Simplify right side
   281,667.56x = 30,128,362,821.01
5. Step 5: Solve for x
   x = 30,128,362,821.01/281,667.56
6. Step 6: Final answer
   x = 106,964.26