Finding the Fourth Proportional to 11,401.08, 17,099.90 and 3,608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.08 : 17,099.90 = 3,608.88 : x
2. Step 2: Convert to fraction form
   11,401.08/17,099.90 = 3,608.88/x
3. Step 3: Cross multiply
   11,401.08x = 17,099.90 × 3,608.88
4. Step 4: Simplify right side
   11,401.08x = 61,711,487.11
5. Step 5: Solve for x
   x = 61,711,487.11/11,401.08
6. Step 6: Final answer
   x = 5,412.78