Finding the Fourth Proportional to 142,048.48, 196,097.88 and 88,350.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,048.48 : 196,097.88 = 88,350.82 : x
2. Step 2: Convert to fraction form
   142,048.48/196,097.88 = 88,350.82/x
3. Step 3: Cross multiply
   142,048.48x = 196,097.88 × 88,350.82
4. Step 4: Simplify right side
   142,048.48x = 17,325,408,498.26
5. Step 5: Solve for x
   x = 17,325,408,498.26/142,048.48
6. Step 6: Final answer
   x = 121,968.28