Finding the Fourth Proportional to 113,722.26, 156,934.98 and 65,983.83

Step by Step Solution

1. Step 1: Write the proportion equation
   113,722.26 : 156,934.98 = 65,983.83 : x
2. Step 2: Convert to fraction form
   113,722.26/156,934.98 = 65,983.83/x
3. Step 3: Cross multiply
   113,722.26x = 156,934.98 × 65,983.83
4. Step 4: Simplify right side
   113,722.26x = 10,355,171,041.37
5. Step 5: Solve for x
   x = 10,355,171,041.37/113,722.26
6. Step 6: Final answer
   x = 91,056.68