Finding the Fourth Proportional to 113,805.82, 170,727.28 and 42,733.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,805.82 : 170,727.28 = 42,733.96 : x
2. Step 2: Convert to fraction form
   113,805.82/170,727.28 = 42,733.96/x
3. Step 3: Cross multiply
   113,805.82x = 170,727.28 × 42,733.96
4. Step 4: Simplify right side
   113,805.82x = 7,295,853,074.41
5. Step 5: Solve for x
   x = 7,295,853,074.41/113,805.82
6. Step 6: Final answer
   x = 64,107.91