Finding the Fourth Proportional to 309,166.52, 426,645.83 and 173,198.00

Step by Step Solution

1. Step 1: Write the proportion equation
   309,166.52 : 426,645.83 = 173,198.00 : x
2. Step 2: Convert to fraction form
   309,166.52/426,645.83 = 173,198.00/x
3. Step 3: Cross multiply
   309,166.52x = 426,645.83 × 173,198.00
4. Step 4: Simplify right side
   309,166.52x = 73,894,201,465.12
5. Step 5: Solve for x
   x = 73,894,201,465.12/309,166.52
6. Step 6: Final answer
   x = 239,011.01