Finding the Fourth Proportional to 78,703.92, 108,611.69 and 42,894.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,703.92 : 108,611.69 = 42,894.23 : x
2. Step 2: Convert to fraction form
   78,703.92/108,611.69 = 42,894.23/x
3. Step 3: Cross multiply
   78,703.92x = 108,611.69 × 42,894.23
4. Step 4: Simplify right side
   78,703.92x = 4,658,814,054.02
5. Step 5: Solve for x
   x = 4,658,814,054.02/78,703.92
6. Step 6: Final answer
   x = 59,194.18