Finding the Fourth Proportional to 424,043.82, 584,985.38 and 260,551.89

Step by Step Solution

1. Step 1: Write the proportion equation
   424,043.82 : 584,985.38 = 260,551.89 : x
2. Step 2: Convert to fraction form
   424,043.82/584,985.38 = 260,551.89/x
3. Step 3: Cross multiply
   424,043.82x = 584,985.38 × 260,551.89
4. Step 4: Simplify right side
   424,043.82x = 152,419,045,078.61
5. Step 5: Solve for x
   x = 152,419,045,078.61/424,043.82
6. Step 6: Final answer
   x = 359,441.73