Finding the Fourth Proportional to 107,978.02, 161,998.14 and 33,109.20

Step by Step Solution

1. Step 1: Write the proportion equation
   107,978.02 : 161,998.14 = 33,109.20 : x
2. Step 2: Convert to fraction form
   107,978.02/161,998.14 = 33,109.20/x
3. Step 3: Cross multiply
   107,978.02x = 161,998.14 × 33,109.20
4. Step 4: Simplify right side
   107,978.02x = 5,363,628,816.89
5. Step 5: Solve for x
   x = 5,363,628,816.89/107,978.02
6. Step 6: Final answer
   x = 49,673.34