Finding the Fourth Proportional to 11,401.14, 17,103.36 and 5,553.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.14 : 17,103.36 = 5,553.78 : x
2. Step 2: Convert to fraction form
   11,401.14/17,103.36 = 5,553.78/x
3. Step 3: Cross multiply
   11,401.14x = 17,103.36 × 5,553.78
4. Step 4: Simplify right side
   11,401.14x = 94,988,298.70
5. Step 5: Solve for x
   x = 94,988,298.70/11,401.14
6. Step 6: Final answer
   x = 8,331.47