Finding the Fourth Proportional to 159,839.33, 220,577.83 and 88,218.86

Step by Step Solution

1. Step 1: Write the proportion equation
   159,839.33 : 220,577.83 = 88,218.86 : x
2. Step 2: Convert to fraction form
   159,839.33/220,577.83 = 88,218.86/x
3. Step 3: Cross multiply
   159,839.33x = 220,577.83 × 88,218.86
4. Step 4: Simplify right side
   159,839.33x = 19,459,123,380.44
5. Step 5: Solve for x
   x = 19,459,123,380.44/159,839.33
6. Step 6: Final answer
   x = 121,741.78