Finding the Fourth Proportional to 1,691.34, 2,334.12 and 945.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691.34 : 2,334.12 = 945.54 : x
2. Step 2: Convert to fraction form
   1,691.34/2,334.12 = 945.54/x
3. Step 3: Cross multiply
   1,691.34x = 2,334.12 × 945.54
4. Step 4: Simplify right side
   1,691.34x = 2,207,003.82
5. Step 5: Solve for x
   x = 2,207,003.82/1,691.34
6. Step 6: Final answer
   x = 1,304.88