Finding the Fourth Proportional to 12,906.08, 17,811.42 and 7,601.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906.08 : 17,811.42 = 7,601.94 : x
2. Step 2: Convert to fraction form
   12,906.08/17,811.42 = 7,601.94/x
3. Step 3: Cross multiply
   12,906.08x = 17,811.42 × 7,601.94
4. Step 4: Simplify right side
   12,906.08x = 135,401,346.15
5. Step 5: Solve for x
   x = 135,401,346.15/12,906.08
6. Step 6: Final answer
   x = 10,491.28