Finding the Fourth Proportional to 78,706.98, 108,612.48 and 42,896.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,706.98 : 108,612.48 = 42,896.24 : x
2. Step 2: Convert to fraction form
   78,706.98/108,612.48 = 42,896.24/x
3. Step 3: Cross multiply
   78,706.98x = 108,612.48 × 42,896.24
4. Step 4: Simplify right side
   78,706.98x = 4,659,067,009.08
5. Step 5: Solve for x
   x = 4,659,067,009.08/78,706.98
6. Step 6: Final answer
   x = 59,195.09