Finding the Fourth Proportional to 123,496.30, 170,362.19 and 78,097.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123,496.30 : 170,362.19 = 78,097.82 : x
2. Step 2: Convert to fraction form
   123,496.30/170,362.19 = 78,097.82/x
3. Step 3: Cross multiply
   123,496.30x = 170,362.19 × 78,097.82
4. Step 4: Simplify right side
   123,496.30x = 13,304,916,270.58
5. Step 5: Solve for x
   x = 13,304,916,270.58/123,496.30
6. Step 6: Final answer
   x = 107,735.35