Finding the Fourth Proportional to 424,150.80, 635,759.64 and 174,696.72

Step by Step Solution

1. Step 1: Write the proportion equation
   424,150.80 : 635,759.64 = 174,696.72 : x
2. Step 2: Convert to fraction form
   424,150.80/635,759.64 = 174,696.72/x
3. Step 3: Cross multiply
   424,150.80x = 635,759.64 × 174,696.72
4. Step 4: Simplify right side
   424,150.80x = 111,065,123,816.38
5. Step 5: Solve for x
   x = 111,065,123,816.38/424,150.80
6. Step 6: Final answer
   x = 261,852.92