Finding the Fourth Proportional to 165,006.72, 227,709.50 and 89,555.22

Step by Step Solution

1. Step 1: Write the proportion equation
   165,006.72 : 227,709.50 = 89,555.22 : x
2. Step 2: Convert to fraction form
   165,006.72/227,709.50 = 89,555.22/x
3. Step 3: Cross multiply
   165,006.72x = 227,709.50 × 89,555.22
4. Step 4: Simplify right side
   165,006.72x = 20,392,573,920.81
5. Step 5: Solve for x
   x = 20,392,573,920.81/165,006.72
6. Step 6: Final answer
   x = 123,586.32