Finding the Fourth Proportional to 164,922.21, 227,595.42 and 89,470.71

Step by Step Solution

1. Step 1: Write the proportion equation
   164,922.21 : 227,595.42 = 89,470.71 : x
2. Step 2: Convert to fraction form
   164,922.21/227,595.42 = 89,470.71/x
3. Step 3: Cross multiply
   164,922.21x = 227,595.42 × 89,470.71
4. Step 4: Simplify right side
   164,922.21x = 20,363,123,820.15
5. Step 5: Solve for x
   x = 20,363,123,820.15/164,922.21
6. Step 6: Final answer
   x = 123,471.08