Finding the Fourth Proportional to 10,889.13, 16,336.41 and 3,097.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.13 : 16,336.41 = 3,097.89 : x
2. Step 2: Convert to fraction form
   10,889.13/16,336.41 = 3,097.89/x
3. Step 3: Cross multiply
   10,889.13x = 16,336.41 × 3,097.89
4. Step 4: Simplify right side
   10,889.13x = 50,608,401.17
5. Step 5: Solve for x
   x = 50,608,401.17/10,889.13
6. Step 6: Final answer
   x = 4,647.61