Finding the Fourth Proportional to 164,969.57, 227,658.61 and 89,518.07

Step by Step Solution

1. Step 1: Write the proportion equation
   164,969.57 : 227,658.61 = 89,518.07 : x
2. Step 2: Convert to fraction form
   164,969.57/227,658.61 = 89,518.07/x
3. Step 3: Cross multiply
   164,969.57x = 227,658.61 × 89,518.07
4. Step 4: Simplify right side
   164,969.57x = 20,379,557,800.20
5. Step 5: Solve for x
   x = 20,379,557,800.20/164,969.57
6. Step 6: Final answer
   x = 123,535.26