Finding the Fourth Proportional to 111,991.12, 168,002.50 and 41,863.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,991.12 : 168,002.50 = 41,863.76 : x
2. Step 2: Convert to fraction form
   111,991.12/168,002.50 = 41,863.76/x
3. Step 3: Cross multiply
   111,991.12x = 168,002.50 × 41,863.76
4. Step 4: Simplify right side
   111,991.12x = 7,033,216,339.40
5. Step 5: Solve for x
   x = 7,033,216,339.40/111,991.12
6. Step 6: Final answer
   x = 62,801.55