Finding the Fourth Proportional to 13,047.04, 18,002.10 and 7,743.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,047.04 : 18,002.10 = 7,743.62 : x
2. Step 2: Convert to fraction form
   13,047.04/18,002.10 = 7,743.62/x
3. Step 3: Cross multiply
   13,047.04x = 18,002.10 × 7,743.62
4. Step 4: Simplify right side
   13,047.04x = 139,401,421.60
5. Step 5: Solve for x
   x = 139,401,421.60/13,047.04
6. Step 6: Final answer
   x = 10,684.52