Finding the Fourth Proportional to 159,741.89, 220,436.39 and 91,710.98

Step by Step Solution

1. Step 1: Write the proportion equation
   159,741.89 : 220,436.39 = 91,710.98 : x
2. Step 2: Convert to fraction form
   159,741.89/220,436.39 = 91,710.98/x
3. Step 3: Cross multiply
   159,741.89x = 220,436.39 × 91,710.98
4. Step 4: Simplify right side
   159,741.89x = 20,216,435,793.83
5. Step 5: Solve for x
   x = 20,216,435,793.83/159,741.89
6. Step 6: Final answer
   x = 126,556.88