Finding the Fourth Proportional to 78,706.93, 108,612.39 and 42,896.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,706.93 : 108,612.39 = 42,896.17 : x
2. Step 2: Convert to fraction form
   78,706.93/108,612.39 = 42,896.17/x
3. Step 3: Cross multiply
   78,706.93x = 108,612.39 × 42,896.17
4. Step 4: Simplify right side
   78,706.93x = 4,659,055,002.48
5. Step 5: Solve for x
   x = 4,659,055,002.48/78,706.93
6. Step 6: Final answer
   x = 59,194.98