Finding the Fourth Proportional to 105,758.73, 158,634.45 and 42,559.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,758.73 : 158,634.45 = 42,559.29 : x
2. Step 2: Convert to fraction form
   105,758.73/158,634.45 = 42,559.29/x
3. Step 3: Cross multiply
   105,758.73x = 158,634.45 × 42,559.29
4. Step 4: Simplify right side
   105,758.73x = 6,751,369,561.54
5. Step 5: Solve for x
   x = 6,751,369,561.54/105,758.73
6. Step 6: Final answer
   x = 63,837.47