Finding the Fourth Proportional to 13,756.50, 18,984.38 and 7,469.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,756.50 : 18,984.38 = 7,469.28 : x
2. Step 2: Convert to fraction form
   13,756.50/18,984.38 = 7,469.28/x
3. Step 3: Cross multiply
   13,756.50x = 18,984.38 × 7,469.28
4. Step 4: Simplify right side
   13,756.50x = 141,799,612.50
5. Step 5: Solve for x
   x = 141,799,612.50/13,756.50
6. Step 6: Final answer
   x = 10,307.83