Finding the Fourth Proportional to 116,060.24, 160,212.12 and 78,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,060.24 : 160,212.12 = 78,385.52 : x
2. Step 2: Convert to fraction form
   116,060.24/160,212.12 = 78,385.52/x
3. Step 3: Cross multiply
   116,060.24x = 160,212.12 × 78,385.52
4. Step 4: Simplify right side
   116,060.24x = 12,558,310,336.50
5. Step 5: Solve for x
   x = 12,558,310,336.50/116,060.24
6. Step 6: Final answer
   x = 108,205.10