Finding the Fourth Proportional to 1,103.82, 1,653.90 and 670.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.82 : 1,653.90 = 670.08 : x
2. Step 2: Convert to fraction form
   1,103.82/1,653.90 = 670.08/x
3. Step 3: Cross multiply
   1,103.82x = 1,653.90 × 670.08
4. Step 4: Simplify right side
   1,103.82x = 1,108,245.31
5. Step 5: Solve for x
   x = 1,108,245.31/1,103.82
6. Step 6: Final answer
   x = 1,004.01