Finding the Fourth Proportional to 424,680.82, 586,083.72 and 243,422.89

Step by Step Solution

1. Step 1: Write the proportion equation
   424,680.82 : 586,083.72 = 243,422.89 : x
2. Step 2: Convert to fraction form
   424,680.82/586,083.72 = 243,422.89/x
3. Step 3: Cross multiply
   424,680.82x = 586,083.72 × 243,422.89
4. Step 4: Simplify right side
   424,680.82x = 142,666,192,904.35
5. Step 5: Solve for x
   x = 142,666,192,904.35/424,680.82
6. Step 6: Final answer
   x = 335,937.45