Finding the Fourth Proportional to 3,403.98, 5,103.37 and 1,553.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,403.98 : 5,103.37 = 1,553.81 : x
2. Step 2: Convert to fraction form
   3,403.98/5,103.37 = 1,553.81/x
3. Step 3: Cross multiply
   3,403.98x = 5,103.37 × 1,553.81
4. Step 4: Simplify right side
   3,403.98x = 7,929,667.34
5. Step 5: Solve for x
   x = 7,929,667.34/3,403.98
6. Step 6: Final answer
   x = 2,329.53