Finding the Fourth Proportional to 209,067.82, 288,513.84 and 113,574.52

Step by Step Solution

1. Step 1: Write the proportion equation
   209,067.82 : 288,513.84 = 113,574.52 : x
2. Step 2: Convert to fraction form
   209,067.82/288,513.84 = 113,574.52/x
3. Step 3: Cross multiply
   209,067.82x = 288,513.84 × 113,574.52
4. Step 4: Simplify right side
   209,067.82x = 32,767,820,891.36
5. Step 5: Solve for x
   x = 32,767,820,891.36/209,067.82
6. Step 6: Final answer
   x = 156,732.97