Finding the Fourth Proportional to 142,366.56, 196,485.36 and 81,935.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,366.56 : 196,485.36 = 81,935.96 : x
2. Step 2: Convert to fraction form
   142,366.56/196,485.36 = 81,935.96/x
3. Step 3: Cross multiply
   142,366.56x = 196,485.36 × 81,935.96
4. Step 4: Simplify right side
   142,366.56x = 16,099,216,597.55
5. Step 5: Solve for x
   x = 16,099,216,597.55/142,366.56
6. Step 6: Final answer
   x = 113,082.85