Finding the Fourth Proportional to 111,987.55, 168,011.93 and 33,101.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,987.55 : 168,011.93 = 33,101.71 : x
2. Step 2: Convert to fraction form
   111,987.55/168,011.93 = 33,101.71/x
3. Step 3: Cross multiply
   111,987.55x = 168,011.93 × 33,101.71
4. Step 4: Simplify right side
   111,987.55x = 5,561,482,183.40
5. Step 5: Solve for x
   x = 5,561,482,183.40/111,987.55
6. Step 6: Final answer
   x = 49,661.61