Finding the Fourth Proportional to 164,598.21, 227,146.55 and 89,146.71

Step by Step Solution

1. Step 1: Write the proportion equation
   164,598.21 : 227,146.55 = 89,146.71 : x
2. Step 2: Convert to fraction form
   164,598.21/227,146.55 = 89,146.71/x
3. Step 3: Cross multiply
   164,598.21x = 227,146.55 × 89,146.71
4. Step 4: Simplify right side
   164,598.21x = 20,249,367,174.62
5. Step 5: Solve for x
   x = 20,249,367,174.62/164,598.21
6. Step 6: Final answer
   x = 123,023.01