Finding the Fourth Proportional to 142,036.94, 196,004.42 and 81,565.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,036.94 : 196,004.42 = 81,565.04 : x
2. Step 2: Convert to fraction form
   142,036.94/196,004.42 = 81,565.04/x
3. Step 3: Cross multiply
   142,036.94x = 196,004.42 × 81,565.04
4. Step 4: Simplify right side
   142,036.94x = 15,987,108,357.48
5. Step 5: Solve for x
   x = 15,987,108,357.48/142,036.94
6. Step 6: Final answer
   x = 112,555.99