Finding the Fourth Proportional to 2,402.10, 3,603.96 and 1,103.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.10 : 3,603.96 = 1,103.31 : x
2. Step 2: Convert to fraction form
   2,402.10/3,603.96 = 1,103.31/x
3. Step 3: Cross multiply
   2,402.10x = 3,603.96 × 1,103.31
4. Step 4: Simplify right side
   2,402.10x = 3,976,285.11
5. Step 5: Solve for x
   x = 3,976,285.11/2,402.10
6. Step 6: Final answer
   x = 1,655.34