Finding the Fourth Proportional to 2,103.53, 3,152.43 and 1,116.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.53 : 3,152.43 = 1,116.09 : x
2. Step 2: Convert to fraction form
   2,103.53/3,152.43 = 1,116.09/x
3. Step 3: Cross multiply
   2,103.53x = 3,152.43 × 1,116.09
4. Step 4: Simplify right side
   2,103.53x = 3,518,395.60
5. Step 5: Solve for x
   x = 3,518,395.60/2,103.53
6. Step 6: Final answer
   x = 1,672.62