Finding the Fourth Proportional to 105,297.13, 158,019.50 and 60,862.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105,297.13 : 158,019.50 = 60,862.75 : x
2. Step 2: Convert to fraction form
   105,297.13/158,019.50 = 60,862.75/x
3. Step 3: Cross multiply
   105,297.13x = 158,019.50 × 60,862.75
4. Step 4: Simplify right side
   105,297.13x = 9,617,501,323.63
5. Step 5: Solve for x
   x = 9,617,501,323.63/105,297.13
6. Step 6: Final answer
   x = 91,336.78