Finding the Fourth Proportional to 142,004.76, 195,931.62 and 86,800.14

Step by Step Solution

1. Step 1: Write the proportion equation
   142,004.76 : 195,931.62 = 86,800.14 : x
2. Step 2: Convert to fraction form
   142,004.76/195,931.62 = 86,800.14/x
3. Step 3: Cross multiply
   142,004.76x = 195,931.62 × 86,800.14
4. Step 4: Simplify right side
   142,004.76x = 17,006,892,046.43
5. Step 5: Solve for x
   x = 17,006,892,046.43/142,004.76
6. Step 6: Final answer
   x = 119,762.83