Finding the Fourth Proportional to 13,048.02, 18,014.94 and 7,744.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,048.02 : 18,014.94 = 7,744.55 : x
2. Step 2: Convert to fraction form
   13,048.02/18,014.94 = 7,744.55/x
3. Step 3: Cross multiply
   13,048.02x = 18,014.94 × 7,744.55
4. Step 4: Simplify right side
   13,048.02x = 139,517,513.50
5. Step 5: Solve for x
   x = 139,517,513.50/13,048.02
6. Step 6: Final answer
   x = 10,692.62