Finding the Fourth Proportional to 111,992.90, 168,054.15 and 41,879.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,992.90 : 168,054.15 = 41,879.30 : x
2. Step 2: Convert to fraction form
   111,992.90/168,054.15 = 41,879.30/x
3. Step 3: Cross multiply
   111,992.90x = 168,054.15 × 41,879.30
4. Step 4: Simplify right side
   111,992.90x = 7,037,990,164.10
5. Step 5: Solve for x
   x = 7,037,990,164.10/111,992.90
6. Step 6: Final answer
   x = 62,843.18