Finding the Fourth Proportional to 3,443.39, 5,165.43 and 1,102.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.39 : 5,165.43 = 1,102.81 : x
2. Step 2: Convert to fraction form
   3,443.39/5,165.43 = 1,102.81/x
3. Step 3: Cross multiply
   3,443.39x = 5,165.43 × 1,102.81
4. Step 4: Simplify right side
   3,443.39x = 5,696,472.19
5. Step 5: Solve for x
   x = 5,696,472.19/3,443.39
6. Step 6: Final answer
   x = 1,654.32