Finding the Fourth Proportional to 107,965.58, 161,971.58 and 33,090.89

Step by Step Solution

1. Step 1: Write the proportion equation
   107,965.58 : 161,971.58 = 33,090.89 : x
2. Step 2: Convert to fraction form
   107,965.58/161,971.58 = 33,090.89/x
3. Step 3: Cross multiply
   107,965.58x = 161,971.58 × 33,090.89
4. Step 4: Simplify right side
   107,965.58x = 5,359,783,571.45
5. Step 5: Solve for x
   x = 5,359,783,571.45/107,965.58
6. Step 6: Final answer
   x = 49,643.45