Finding the Fourth Proportional to 309,043.56, 426,459.82 and 173,046.34

Step by Step Solution

1. Step 1: Write the proportion equation
   309,043.56 : 426,459.82 = 173,046.34 : x
2. Step 2: Convert to fraction form
   309,043.56/426,459.82 = 173,046.34/x
3. Step 3: Cross multiply
   309,043.56x = 426,459.82 × 173,046.34
4. Step 4: Simplify right side
   309,043.56x = 73,797,311,008.06
5. Step 5: Solve for x
   x = 73,797,311,008.06/309,043.56
6. Step 6: Final answer
   x = 238,792.59