Finding the Fourth Proportional to 164,385.27, 226,849.43 and 91,789.28

Step by Step Solution

1. Step 1: Write the proportion equation
   164,385.27 : 226,849.43 = 91,789.28 : x
2. Step 2: Convert to fraction form
   164,385.27/226,849.43 = 91,789.28/x
3. Step 3: Cross multiply
   164,385.27x = 226,849.43 × 91,789.28
4. Step 4: Simplify right side
   164,385.27x = 20,822,345,794.02
5. Step 5: Solve for x
   x = 20,822,345,794.02/164,385.27
6. Step 6: Final answer
   x = 126,667.95