Finding the Fourth Proportional to 1,398.82, 1,929.30 and 951.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398.82 : 1,929.30 = 951.04 : x
2. Step 2: Convert to fraction form
   1,398.82/1,929.30 = 951.04/x
3. Step 3: Cross multiply
   1,398.82x = 1,929.30 × 951.04
4. Step 4: Simplify right side
   1,398.82x = 1,834,841.47
5. Step 5: Solve for x
   x = 1,834,841.47/1,398.82
6. Step 6: Final answer
   x = 1,311.71