Finding the Fourth Proportional to 281,662.12, 422,493.48 and 71,300.06

Step by Step Solution

1. Step 1: Write the proportion equation
   281,662.12 : 422,493.48 = 71,300.06 : x
2. Step 2: Convert to fraction form
   281,662.12/422,493.48 = 71,300.06/x
3. Step 3: Cross multiply
   281,662.12x = 422,493.48 × 71,300.06
4. Step 4: Simplify right side
   281,662.12x = 30,123,810,473.61
5. Step 5: Solve for x
   x = 30,123,810,473.61/281,662.12
6. Step 6: Final answer
   x = 106,950.17