Finding the Fourth Proportional to 12,774.84, 17,631.03 and 7,469.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.84 : 17,631.03 = 7,469.67 : x
2. Step 2: Convert to fraction form
   12,774.84/17,631.03 = 7,469.67/x
3. Step 3: Cross multiply
   12,774.84x = 17,631.03 × 7,469.67
4. Step 4: Simplify right side
   12,774.84x = 131,697,975.86
5. Step 5: Solve for x
   x = 131,697,975.86/12,774.84
6. Step 6: Final answer
   x = 10,309.17