Finding the Fourth Proportional to 114,584.58, 158,155.78 and 78,300.71

Step by Step Solution

1. Step 1: Write the proportion equation
   114,584.58 : 158,155.78 = 78,300.71 : x
2. Step 2: Convert to fraction form
   114,584.58/158,155.78 = 78,300.71/x
3. Step 3: Cross multiply
   114,584.58x = 158,155.78 × 78,300.71
4. Step 4: Simplify right side
   114,584.58x = 12,383,709,864.60
5. Step 5: Solve for x
   x = 12,383,709,864.60/114,584.58
6. Step 6: Final answer
   x = 108,074.84