Finding the Fourth Proportional to 113,620, 156,796.14 and 65,901.64

Step by Step Solution

1. Step 1: Write the proportion equation
   113,620 : 156,796.14 = 65,901.64 : x
2. Step 2: Convert to fraction form
   113,620/156,796.14 = 65,901.64/x
3. Step 3: Cross multiply
   113,620x = 156,796.14 × 65,901.64
4. Step 4: Simplify right side
   113,620x = 10,333,122,771.67
5. Step 5: Solve for x
   x = 10,333,122,771.67/113,620
6. Step 6: Final answer
   x = 90,944.58