Finding the Fourth Proportional to 1,103.67, 1,662.44 and 934.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.67 : 1,662.44 = 934.18 : x
2. Step 2: Convert to fraction form
   1,103.67/1,662.44 = 934.18/x
3. Step 3: Cross multiply
   1,103.67x = 1,662.44 × 934.18
4. Step 4: Simplify right side
   1,103.67x = 1,553,009.37
5. Step 5: Solve for x
   x = 1,553,009.37/1,103.67
6. Step 6: Final answer
   x = 1,407.13