Finding the Fourth Proportional to 424,938.72, 586,404.06 and 233,953.56

Step by Step Solution

1. Step 1: Write the proportion equation
   424,938.72 : 586,404.06 = 233,953.56 : x
2. Step 2: Convert to fraction form
   424,938.72/586,404.06 = 233,953.56/x
3. Step 3: Cross multiply
   424,938.72x = 586,404.06 × 233,953.56
4. Step 4: Simplify right side
   424,938.72x = 137,191,317,435.45
5. Step 5: Solve for x
   x = 137,191,317,435.45/424,938.72
6. Step 6: Final answer
   x = 322,849.65