Finding the Fourth Proportional to 89,550.82, 122,794.27 and 87,218.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,550.82 : 122,794.27 = 87,218.02 : x
2. Step 2: Convert to fraction form
   89,550.82/122,794.27 = 87,218.02/x
3. Step 3: Cross multiply
   89,550.82x = 122,794.27 × 87,218.02
4. Step 4: Simplify right side
   89,550.82x = 10,709,873,096.75
5. Step 5: Solve for x
   x = 10,709,873,096.75/89,550.82
6. Step 6: Final answer
   x = 119,595.48