Finding the Fourth Proportional to 281,067.57, 387,910.82 and 158,585.14

Step by Step Solution

1. Step 1: Write the proportion equation
   281,067.57 : 387,910.82 = 158,585.14 : x
2. Step 2: Convert to fraction form
   281,067.57/387,910.82 = 158,585.14/x
3. Step 3: Cross multiply
   281,067.57x = 387,910.82 × 158,585.14
4. Step 4: Simplify right side
   281,067.57x = 61,516,892,578.57
5. Step 5: Solve for x
   x = 61,516,892,578.57/281,067.57
6. Step 6: Final answer
   x = 218,868.70