Finding the Fourth Proportional to 164,830.55, 227,465.01 and 89,379.05

Step by Step Solution

1. Step 1: Write the proportion equation
   164,830.55 : 227,465.01 = 89,379.05 : x
2. Step 2: Convert to fraction form
   164,830.55/227,465.01 = 89,379.05/x
3. Step 3: Cross multiply
   164,830.55x = 227,465.01 × 89,379.05
4. Step 4: Simplify right side
   164,830.55x = 20,330,605,364.72
5. Step 5: Solve for x
   x = 20,330,605,364.72/164,830.55
6. Step 6: Final answer
   x = 123,342.46