Finding the Fourth Proportional to 78,603.41, 108,472.57 and 42,793.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.41 : 108,472.57 = 42,793.58 : x
2. Step 2: Convert to fraction form
   78,603.41/108,472.57 = 42,793.58/x
3. Step 3: Cross multiply
   78,603.41x = 108,472.57 × 42,793.58
4. Step 4: Simplify right side
   78,603.41x = 4,641,929,766.30
5. Step 5: Solve for x
   x = 4,641,929,766.30/78,603.41
6. Step 6: Final answer
   x = 59,055.07