Finding the Fourth Proportional to 164,649.57, 227,216.78 and 89,198.07

Step by Step Solution

1. Step 1: Write the proportion equation
   164,649.57 : 227,216.78 = 89,198.07 : x
2. Step 2: Convert to fraction form
   164,649.57/227,216.78 = 89,198.07/x
3. Step 3: Cross multiply
   164,649.57x = 227,216.78 × 89,198.07
4. Step 4: Simplify right side
   164,649.57x = 20,267,298,247.61
5. Step 5: Solve for x
   x = 20,267,298,247.61/164,649.57
6. Step 6: Final answer
   x = 123,093.54