Finding the Fourth Proportional to 142,952.27, 197,145.00 and 89,242.23

Step by Step Solution

1. Step 1: Write the proportion equation
   142,952.27 : 197,145.00 = 89,242.23 : x
2. Step 2: Convert to fraction form
   142,952.27/197,145.00 = 89,242.23/x
3. Step 3: Cross multiply
   142,952.27x = 197,145.00 × 89,242.23
4. Step 4: Simplify right side
   142,952.27x = 17,593,658,987.14
5. Step 5: Solve for x
   x = 17,593,658,987.14/142,952.27
6. Step 6: Final answer
   x = 123,073.66