Finding the Fourth Proportional to 105,958.22, 158,875.76 and 42,726.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,958.22 : 158,875.76 = 42,726.57 : x
2. Step 2: Convert to fraction form
   105,958.22/158,875.76 = 42,726.57/x
3. Step 3: Cross multiply
   105,958.22x = 158,875.76 × 42,726.57
4. Step 4: Simplify right side
   105,958.22x = 6,788,216,067.31
5. Step 5: Solve for x
   x = 6,788,216,067.31/105,958.22
6. Step 6: Final answer
   x = 64,065.03