Finding the Fourth Proportional to 304,061.88, 419,560.79 and 173,240.81

Step by Step Solution

1. Step 1: Write the proportion equation
   304,061.88 : 419,560.79 = 173,240.81 : x
2. Step 2: Convert to fraction form
   304,061.88/419,560.79 = 173,240.81/x
3. Step 3: Cross multiply
   304,061.88x = 419,560.79 × 173,240.81
4. Step 4: Simplify right side
   304,061.88x = 72,685,048,139.83
5. Step 5: Solve for x
   x = 72,685,048,139.83/304,061.88
6. Step 6: Final answer
   x = 239,046.89