Finding the Fourth Proportional to 113,620.94, 156,797.52 and 65,902.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,620.94 : 156,797.52 = 65,902.58 : x
2. Step 2: Convert to fraction form
   113,620.94/156,797.52 = 65,902.58/x
3. Step 3: Cross multiply
   113,620.94x = 156,797.52 × 65,902.58
4. Step 4: Simplify right side
   113,620.94x = 10,333,361,105.60
5. Step 5: Solve for x
   x = 10,333,361,105.60/113,620.94
6. Step 6: Final answer
   x = 90,945.92