Finding the Fourth Proportional to 142,698.82, 196,849.73 and 88,233.59

Step by Step Solution

1. Step 1: Write the proportion equation
   142,698.82 : 196,849.73 = 88,233.59 : x
2. Step 2: Convert to fraction form
   142,698.82/196,849.73 = 88,233.59/x
3. Step 3: Cross multiply
   142,698.82x = 196,849.73 × 88,233.59
4. Step 4: Simplify right side
   142,698.82x = 17,368,757,927.26
5. Step 5: Solve for x
   x = 17,368,757,927.26/142,698.82
6. Step 6: Final answer
   x = 121,716.20