Finding the Fourth Proportional to 142,164.58, 196,183.37 and 78,501.01

Step by Step Solution

1. Step 1: Write the proportion equation
   142,164.58 : 196,183.37 = 78,501.01 : x
2. Step 2: Convert to fraction form
   142,164.58/196,183.37 = 78,501.01/x
3. Step 3: Cross multiply
   142,164.58x = 196,183.37 × 78,501.01
4. Step 4: Simplify right side
   142,164.58x = 15,400,592,690.20
5. Step 5: Solve for x
   x = 15,400,592,690.20/142,164.58
6. Step 6: Final answer
   x = 108,329.32