Finding the Fourth Proportional to 116,184.58, 160,383.57 and 78,509.86

Step by Step Solution

1. Step 1: Write the proportion equation
   116,184.58 : 160,383.57 = 78,509.86 : x
2. Step 2: Convert to fraction form
   116,184.58/160,383.57 = 78,509.86/x
3. Step 3: Cross multiply
   116,184.58x = 160,383.57 × 78,509.86
4. Step 4: Simplify right side
   116,184.58x = 12,591,691,627.00
5. Step 5: Solve for x
   x = 12,591,691,627.00/116,184.58
6. Step 6: Final answer
   x = 108,376.62