Finding the Fourth Proportional to 424,061.56, 636,037.62 and 353,425.48

Step by Step Solution

1. Step 1: Write the proportion equation
   424,061.56 : 636,037.62 = 353,425.48 : x
2. Step 2: Convert to fraction form
   424,061.56/636,037.62 = 353,425.48/x
3. Step 3: Cross multiply
   424,061.56x = 636,037.62 × 353,425.48
4. Step 4: Simplify right side
   424,061.56x = 224,791,901,146.56
5. Step 5: Solve for x
   x = 224,791,901,146.56/424,061.56
6. Step 6: Final answer
   x = 530,092.61