Finding the Fourth Proportional to 105,297.38, 158,019.87 and 60,863

Step by Step Solution

1. Step 1: Write the proportion equation
   105,297.38 : 158,019.87 = 60,863 : x
2. Step 2: Convert to fraction form
   105,297.38/158,019.87 = 60,863/x
3. Step 3: Cross multiply
   105,297.38x = 158,019.87 × 60,863
4. Step 4: Simplify right side
   105,297.38x = 9,617,563,347.81
5. Step 5: Solve for x
   x = 9,617,563,347.81/105,297.38
6. Step 6: Final answer
   x = 91,337.16