Finding the Fourth Proportional to 78,603.07, 108,472.05 and 42,793.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.07 : 108,472.05 = 42,793.33 : x
2. Step 2: Convert to fraction form
   78,603.07/108,472.05 = 42,793.33/x
3. Step 3: Cross multiply
   78,603.07x = 108,472.05 × 42,793.33
4. Step 4: Simplify right side
   78,603.07x = 4,641,880,231.43
5. Step 5: Solve for x
   x = 4,641,880,231.43/78,603.07
6. Step 6: Final answer
   x = 59,054.69