Finding the Fourth Proportional to 3,411.50, 5,118.87 and 1,103

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.50 : 5,118.87 = 1,103 : x
2. Step 2: Convert to fraction form
   3,411.50/5,118.87 = 1,103/x
3. Step 3: Cross multiply
   3,411.50x = 5,118.87 × 1,103
4. Step 4: Simplify right side
   3,411.50x = 5,646,113.61
5. Step 5: Solve for x
   x = 5,646,113.61/3,411.50
6. Step 6: Final answer
   x = 1,655.02