Finding the Fourth Proportional to 142,565.02, 196,748.86 and 82,134.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,565.02 : 196,748.86 = 82,134.56 : x
2. Step 2: Convert to fraction form
   142,565.02/196,748.86 = 82,134.56/x
3. Step 3: Cross multiply
   142,565.02x = 196,748.86 × 82,134.56
4. Step 4: Simplify right side
   142,565.02x = 16,159,881,046.60
5. Step 5: Solve for x
   x = 16,159,881,046.60/142,565.02
6. Step 6: Final answer
   x = 113,350.95