Finding the Fourth Proportional to 142,083.36, 196,146.24 and 88,385.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083.36 : 196,146.24 = 88,385.76 : x
2. Step 2: Convert to fraction form
   142,083.36/196,146.24 = 88,385.76/x
3. Step 3: Cross multiply
   142,083.36x = 196,146.24 × 88,385.76
4. Step 4: Simplify right side
   142,083.36x = 17,336,534,493.54
5. Step 5: Solve for x
   x = 17,336,534,493.54/142,083.36
6. Step 6: Final answer
   x = 122,016.64