Finding the Fourth Proportional to 12,401.08, 17,099.04 and 9,251.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.08 : 17,099.04 = 9,251.80 : x
2. Step 2: Convert to fraction form
   12,401.08/17,099.04 = 9,251.80/x
3. Step 3: Cross multiply
   12,401.08x = 17,099.04 × 9,251.80
4. Step 4: Simplify right side
   12,401.08x = 158,196,898.27
5. Step 5: Solve for x
   x = 158,196,898.27/12,401.08
6. Step 6: Final answer
   x = 12,756.70