Finding the Fourth Proportional to 142,036.98, 196,082.00 and 88,339.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,036.98 : 196,082.00 = 88,339.31 : x
2. Step 2: Convert to fraction form
   142,036.98/196,082.00 = 88,339.31/x
3. Step 3: Cross multiply
   142,036.98x = 196,082.00 × 88,339.31
4. Step 4: Simplify right side
   142,036.98x = 17,321,747,161.31
5. Step 5: Solve for x
   x = 17,321,747,161.31/142,036.98
6. Step 6: Final answer
   x = 121,952.38