Finding the Fourth Proportional to 1,337.43, 1,846.40 and 918.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.43 : 1,846.40 = 918.03 : x
2. Step 2: Convert to fraction form
   1,337.43/1,846.40 = 918.03/x
3. Step 3: Cross multiply
   1,337.43x = 1,846.40 × 918.03
4. Step 4: Simplify right side
   1,337.43x = 1,695,046.00
5. Step 5: Solve for x
   x = 1,695,046.00/1,337.43
6. Step 6: Final answer
   x = 1,267.39