Finding the Fourth Proportional to 142,022.99, 196,062.75 and 88,325.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,022.99 : 196,062.75 = 88,325.31 : x
2. Step 2: Convert to fraction form
   142,022.99/196,062.75 = 88,325.31/x
3. Step 3: Cross multiply
   142,022.99x = 196,062.75 × 88,325.31
4. Step 4: Simplify right side
   142,022.99x = 17,317,303,173.20
5. Step 5: Solve for x
   x = 17,317,303,173.20/142,022.99
6. Step 6: Final answer
   x = 121,933.10