Finding the Fourth Proportional to 1,204.34, 1,662.04 and 680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204.34 : 1,662.04 = 680.38 : x
2. Step 2: Convert to fraction form
   1,204.34/1,662.04 = 680.38/x
3. Step 3: Cross multiply
   1,204.34x = 1,662.04 × 680.38
4. Step 4: Simplify right side
   1,204.34x = 1,130,818.78
5. Step 5: Solve for x
   x = 1,130,818.78/1,204.34
6. Step 6: Final answer
   x = 938.95