Finding the Fourth Proportional to 424,100.27, 585,258.81 and 233,109.56

Step by Step Solution

1. Step 1: Write the proportion equation
   424,100.27 : 585,258.81 = 233,109.56 : x
2. Step 2: Convert to fraction form
   424,100.27/585,258.81 = 233,109.56/x
3. Step 3: Cross multiply
   424,100.27x = 585,258.81 × 233,109.56
4. Step 4: Simplify right side
   424,100.27x = 136,429,423,685.22
5. Step 5: Solve for x
   x = 136,429,423,685.22/424,100.27
6. Step 6: Final answer
   x = 321,691.43