Finding the Fourth Proportional to 7,144.61, 10,719.98 and 3,684.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144.61 : 10,719.98 = 3,684.29 : x
2. Step 2: Convert to fraction form
   7,144.61/10,719.98 = 3,684.29/x
3. Step 3: Cross multiply
   7,144.61x = 10,719.98 × 3,684.29
4. Step 4: Simplify right side
   7,144.61x = 39,495,496.69
5. Step 5: Solve for x
   x = 39,495,496.69/7,144.61
6. Step 6: Final answer
   x = 5,528.01