Finding the Fourth Proportional to 164,517.80, 227,035.17 and 89,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   164,517.80 : 227,035.17 = 89,066.30 : x
2. Step 2: Convert to fraction form
   164,517.80/227,035.17 = 89,066.30/x
3. Step 3: Cross multiply
   164,517.80x = 227,035.17 × 89,066.30
4. Step 4: Simplify right side
   164,517.80x = 20,221,182,561.77
5. Step 5: Solve for x
   x = 20,221,182,561.77/164,517.80
6. Step 6: Final answer
   x = 122,911.82