Finding the Fourth Proportional to 107,865.92, 161,806.56 and 33,992

Step by Step Solution

1. Step 1: Write the proportion equation
   107,865.92 : 161,806.56 = 33,992 : x
2. Step 2: Convert to fraction form
   107,865.92/161,806.56 = 33,992/x
3. Step 3: Cross multiply
   107,865.92x = 161,806.56 × 33,992
4. Step 4: Simplify right side
   107,865.92x = 5,500,128,587.52
5. Step 5: Solve for x
   x = 5,500,128,587.52/107,865.92
6. Step 6: Final answer
   x = 50,990.42