Finding the Fourth Proportional to 111,978.90, 168,033.15 and 41,865.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,978.90 : 168,033.15 = 41,865.30 : x
2. Step 2: Convert to fraction form
   111,978.90/168,033.15 = 41,865.30/x
3. Step 3: Cross multiply
   111,978.90x = 168,033.15 × 41,865.30
4. Step 4: Simplify right side
   111,978.90x = 7,034,758,234.70
5. Step 5: Solve for x
   x = 7,034,758,234.70/111,978.90
6. Step 6: Final answer
   x = 62,822.18