Finding the Fourth Proportional to 107,921.96, 161,820.24 and 33,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,921.96 : 161,820.24 = 33,020.72 : x
2. Step 2: Convert to fraction form
   107,921.96/161,820.24 = 33,020.72/x
3. Step 3: Cross multiply
   107,921.96x = 161,820.24 × 33,020.72
4. Step 4: Simplify right side
   107,921.96x = 5,343,420,835.37
5. Step 5: Solve for x
   x = 5,343,420,835.37/107,921.96
6. Step 6: Final answer
   x = 49,511.90