Finding the Fourth Proportional to 2,192.06, 3,286.88 and 730.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.06 : 3,286.88 = 730.42 : x
2. Step 2: Convert to fraction form
   2,192.06/3,286.88 = 730.42/x
3. Step 3: Cross multiply
   2,192.06x = 3,286.88 × 730.42
4. Step 4: Simplify right side
   2,192.06x = 2,400,802.89
5. Step 5: Solve for x
   x = 2,400,802.89/2,192.06
6. Step 6: Final answer
   x = 1,095.23