Finding the Fourth Proportional to 112,020.72, 168,062.76 and 33,134.64

Step by Step Solution

1. Step 1: Write the proportion equation
   112,020.72 : 168,062.76 = 33,134.64 : x
2. Step 2: Convert to fraction form
   112,020.72/168,062.76 = 33,134.64/x
3. Step 3: Cross multiply
   112,020.72x = 168,062.76 × 33,134.64
4. Step 4: Simplify right side
   112,020.72x = 5,568,699,050.01
5. Step 5: Solve for x
   x = 5,568,699,050.01/112,020.72
6. Step 6: Final answer
   x = 49,711.33