Finding the Fourth Proportional to 164,913.36, 227,580.34 and 89,461.86

Step by Step Solution

1. Step 1: Write the proportion equation
   164,913.36 : 227,580.34 = 89,461.86 : x
2. Step 2: Convert to fraction form
   164,913.36/227,580.34 = 89,461.86/x
3. Step 3: Cross multiply
   164,913.36x = 227,580.34 × 89,461.86
4. Step 4: Simplify right side
   164,913.36x = 20,359,760,515.83
5. Step 5: Solve for x
   x = 20,359,760,515.83/164,913.36
6. Step 6: Final answer
   x = 123,457.31