Finding the Fourth Proportional to 115,793.27, 159,870.48 and 89,075.42

Step by Step Solution

1. Step 1: Write the proportion equation
   115,793.27 : 159,870.48 = 89,075.42 : x
2. Step 2: Convert to fraction form
   115,793.27/159,870.48 = 89,075.42/x
3. Step 3: Cross multiply
   115,793.27x = 159,870.48 × 89,075.42
4. Step 4: Simplify right side
   115,793.27x = 14,240,530,151.60
5. Step 5: Solve for x
   x = 14,240,530,151.60/115,793.27
6. Step 6: Final answer
   x = 122,982.36