Finding the Fourth Proportional to 142,441.69, 196,590.86 and 88,744.01

Step by Step Solution

1. Step 1: Write the proportion equation
   142,441.69 : 196,590.86 = 88,744.01 : x
2. Step 2: Convert to fraction form
   142,441.69/196,590.86 = 88,744.01/x
3. Step 3: Cross multiply
   142,441.69x = 196,590.86 × 88,744.01
4. Step 4: Simplify right side
   142,441.69x = 17,446,261,245.75
5. Step 5: Solve for x
   x = 17,446,261,245.75/142,441.69
6. Step 6: Final answer
   x = 122,480.02