Finding the Fourth Proportional to 123,297.12, 170,244.72 and 102,198.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,297.12 : 170,244.72 = 102,198.24 : x
2. Step 2: Convert to fraction form
   123,297.12/170,244.72 = 102,198.24/x
3. Step 3: Cross multiply
   123,297.12x = 170,244.72 × 102,198.24
4. Step 4: Simplify right side
   123,297.12x = 17,398,710,753.29
5. Step 5: Solve for x
   x = 17,398,710,753.29/123,297.12
6. Step 6: Final answer
   x = 141,112.06