Finding the Fourth Proportional to 123,194.96, 169,855.01 and 102,806.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,194.96 : 169,855.01 = 102,806.42 : x
2. Step 2: Convert to fraction form
   123,194.96/169,855.01 = 102,806.42/x
3. Step 3: Cross multiply
   123,194.96x = 169,855.01 × 102,806.42
4. Step 4: Simplify right side
   123,194.96x = 17,462,184,519.38
5. Step 5: Solve for x
   x = 17,462,184,519.38/123,194.96
6. Step 6: Final answer
   x = 141,744.31