Finding the Fourth Proportional to 424,061.09, 585,208.82 and 230,468.81

Step by Step Solution

1. Step 1: Write the proportion equation
   424,061.09 : 585,208.82 = 230,468.81 : x
2. Step 2: Convert to fraction form
   424,061.09/585,208.82 = 230,468.81/x
3. Step 3: Cross multiply
   424,061.09x = 585,208.82 × 230,468.81
4. Step 4: Simplify right side
   424,061.09x = 134,872,380,346.90
5. Step 5: Solve for x
   x = 134,872,380,346.90/424,061.09
6. Step 6: Final answer
   x = 318,049.41