Finding the Fourth Proportional to 113,621.04, 156,797.56 and 65,902.64

Step by Step Solution

1. Step 1: Write the proportion equation
   113,621.04 : 156,797.56 = 65,902.64 : x
2. Step 2: Convert to fraction form
   113,621.04/156,797.56 = 65,902.64/x
3. Step 3: Cross multiply
   113,621.04x = 156,797.56 × 65,902.64
4. Step 4: Simplify right side
   113,621.04x = 10,333,373,149.56
5. Step 5: Solve for x
   x = 10,333,373,149.56/113,621.04
6. Step 6: Final answer
   x = 90,945.95