Finding the Fourth Proportional to 1,404.02, 2,104.52 and 672.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.02 : 2,104.52 = 672.04 : x
2. Step 2: Convert to fraction form
   1,404.02/2,104.52 = 672.04/x
3. Step 3: Cross multiply
   1,404.02x = 2,104.52 × 672.04
4. Step 4: Simplify right side
   1,404.02x = 1,414,321.62
5. Step 5: Solve for x
   x = 1,414,321.62/1,404.02
6. Step 6: Final answer
   x = 1,007.34