Finding the Fourth Proportional to 142,005.76, 195,933 and 86,801.14

Step by Step Solution

1. Step 1: Write the proportion equation
   142,005.76 : 195,933 = 86,801.14 : x
2. Step 2: Convert to fraction form
   142,005.76/195,933 = 86,801.14/x
3. Step 3: Cross multiply
   142,005.76x = 195,933 × 86,801.14
4. Step 4: Simplify right side
   142,005.76x = 17,007,207,763.62
5. Step 5: Solve for x
   x = 17,007,207,763.62/142,005.76
6. Step 6: Final answer
   x = 119,764.21