Finding the Fourth Proportional to 78,703.99, 108,608.34 and 42,893.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,703.99 : 108,608.34 = 42,893.23 : x
2. Step 2: Convert to fraction form
   78,703.99/108,608.34 = 42,893.23/x
3. Step 3: Cross multiply
   78,703.99x = 108,608.34 × 42,893.23
4. Step 4: Simplify right side
   78,703.99x = 4,658,562,155.59
5. Step 5: Solve for x
   x = 4,658,562,155.59/78,703.99
6. Step 6: Final answer
   x = 59,190.93