Finding the Fourth Proportional to 1,338.06, 1,846.62 and 945.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.06 : 1,846.62 = 945.18 : x
2. Step 2: Convert to fraction form
   1,338.06/1,846.62 = 945.18/x
3. Step 3: Cross multiply
   1,338.06x = 1,846.62 × 945.18
4. Step 4: Simplify right side
   1,338.06x = 1,745,388.29
5. Step 5: Solve for x
   x = 1,745,388.29/1,338.06
6. Step 6: Final answer
   x = 1,304.42