Finding the Fourth Proportional to 123,946.82, 170,998.32 and 91,758.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,946.82 : 170,998.32 = 91,758.48 : x
2. Step 2: Convert to fraction form
   123,946.82/170,998.32 = 91,758.48/x
3. Step 3: Cross multiply
   123,946.82x = 170,998.32 × 91,758.48
4. Step 4: Simplify right side
   123,946.82x = 15,690,546,752.03
5. Step 5: Solve for x
   x = 15,690,546,752.03/123,946.82
6. Step 6: Final answer
   x = 126,590.96