Finding the Fourth Proportional to 165,151.24, 227,909.88 and 89,699.74

Step by Step Solution

1. Step 1: Write the proportion equation
   165,151.24 : 227,909.88 = 89,699.74 : x
2. Step 2: Convert to fraction form
   165,151.24/227,909.88 = 89,699.74/x
3. Step 3: Cross multiply
   165,151.24x = 227,909.88 × 89,699.74
4. Step 4: Simplify right side
   165,151.24x = 20,443,456,979.43
5. Step 5: Solve for x
   x = 20,443,456,979.43/165,151.24
6. Step 6: Final answer
   x = 123,786.28