Finding the Fourth Proportional to 111,986.55, 168,010.43 and 33,100.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,986.55 : 168,010.43 = 33,100.71 : x
2. Step 2: Convert to fraction form
   111,986.55/168,010.43 = 33,100.71/x
3. Step 3: Cross multiply
   111,986.55x = 168,010.43 × 33,100.71
4. Step 4: Simplify right side
   111,986.55x = 5,561,264,354.90
5. Step 5: Solve for x
   x = 5,561,264,354.90/111,986.55
6. Step 6: Final answer
   x = 49,660.11