Finding the Fourth Proportional to 105,296.38, 158,018.37 and 60,862

Step by Step Solution

1. Step 1: Write the proportion equation
   105,296.38 : 158,018.37 = 60,862 : x
2. Step 2: Convert to fraction form
   105,296.38/158,018.37 = 60,862/x
3. Step 3: Cross multiply
   105,296.38x = 158,018.37 × 60,862
4. Step 4: Simplify right side
   105,296.38x = 9,617,314,034.94
5. Step 5: Solve for x
   x = 9,617,314,034.94/105,296.38
6. Step 6: Final answer
   x = 91,335.66