Finding the Fourth Proportional to 13,052.02, 18,020.46 and 7,748.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,052.02 : 18,020.46 = 7,748.54 : x
2. Step 2: Convert to fraction form
   13,052.02/18,020.46 = 7,748.54/x
3. Step 3: Cross multiply
   13,052.02x = 18,020.46 × 7,748.54
4. Step 4: Simplify right side
   13,052.02x = 139,632,255.13
5. Step 5: Solve for x
   x = 139,632,255.13/13,052.02
6. Step 6: Final answer
   x = 10,698.13