Finding the Fourth Proportional to 165,019.74, 227,721.15 and 89,566.62

Step by Step Solution

1. Step 1: Write the proportion equation
   165,019.74 : 227,721.15 = 89,566.62 : x
2. Step 2: Convert to fraction form
   165,019.74/227,721.15 = 89,566.62/x
3. Step 3: Cross multiply
   165,019.74x = 227,721.15 × 89,566.62
4. Step 4: Simplify right side
   165,019.74x = 20,396,213,708.01
5. Step 5: Solve for x
   x = 20,396,213,708.01/165,019.74
6. Step 6: Final answer
   x = 123,598.63