Finding the Fourth Proportional to 142,697.53, 196,924.04 and 86,097.97

Step by Step Solution

1. Step 1: Write the proportion equation
   142,697.53 : 196,924.04 = 86,097.97 : x
2. Step 2: Convert to fraction form
   142,697.53/196,924.04 = 86,097.97/x
3. Step 3: Cross multiply
   142,697.53x = 196,924.04 × 86,097.97
4. Step 4: Simplify right side
   142,697.53x = 16,954,760,088.20
5. Step 5: Solve for x
   x = 16,954,760,088.20/142,697.53
6. Step 6: Final answer
   x = 118,816.07