Finding the Fourth Proportional to 123,196.96, 169,857.77 and 102,808.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,196.96 : 169,857.77 = 102,808.42 : x
2. Step 2: Convert to fraction form
   123,196.96/169,857.77 = 102,808.42/x
3. Step 3: Cross multiply
   123,196.96x = 169,857.77 × 102,808.42
4. Step 4: Simplify right side
   123,196.96x = 17,462,808,958.42
5. Step 5: Solve for x
   x = 17,462,808,958.42/123,196.96
6. Step 6: Final answer
   x = 141,747.08