Finding the Fourth Proportional to 113,963.86, 170,995.91 and 60,643.27

Step by Step Solution

1. Step 1: Write the proportion equation
   113,963.86 : 170,995.91 = 60,643.27 : x
2. Step 2: Convert to fraction form
   113,963.86/170,995.91 = 60,643.27/x
3. Step 3: Cross multiply
   113,963.86x = 170,995.91 × 60,643.27
4. Step 4: Simplify right side
   113,963.86x = 10,369,751,139.03
5. Step 5: Solve for x
   x = 10,369,751,139.03/113,963.86
6. Step 6: Final answer
   x = 90,991.58