Finding the Fourth Proportional to 113,092.46, 156,120.72 and 65,336.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,092.46 : 156,120.72 = 65,336.58 : x
2. Step 2: Convert to fraction form
   113,092.46/156,120.72 = 65,336.58/x
3. Step 3: Cross multiply
   113,092.46x = 156,120.72 × 65,336.58
4. Step 4: Simplify right side
   113,092.46x = 10,200,393,911.94
5. Step 5: Solve for x
   x = 10,200,393,911.94/113,092.46
6. Step 6: Final answer
   x = 90,195.18