Finding the Fourth Proportional to 424,032.42, 636,045.39 and 108,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   424,032.42 : 636,045.39 = 108,488.82 : x
2. Step 2: Convert to fraction form
   424,032.42/636,045.39 = 108,488.82/x
3. Step 3: Cross multiply
   424,032.42x = 636,045.39 × 108,488.82
4. Step 4: Simplify right side
   424,032.42x = 69,003,813,827.54
5. Step 5: Solve for x
   x = 69,003,813,827.54/424,032.42
6. Step 6: Final answer
   x = 162,732.40