Finding the Fourth Proportional to 114,786.13, 158,333.37 and 78,913.87

Step by Step Solution

1. Step 1: Write the proportion equation
   114,786.13 : 158,333.37 = 78,913.87 : x
2. Step 2: Convert to fraction form
   114,786.13/158,333.37 = 78,913.87/x
3. Step 3: Cross multiply
   114,786.13x = 158,333.37 × 78,913.87
4. Step 4: Simplify right side
   114,786.13x = 12,494,698,976.84
5. Step 5: Solve for x
   x = 12,494,698,976.84/114,786.13
6. Step 6: Final answer
   x = 108,851.99