Finding the Fourth Proportional to 12,048, 18,071.46 and 5,025.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048 : 18,071.46 = 5,025.12 : x
2. Step 2: Convert to fraction form
   12,048/18,071.46 = 5,025.12/x
3. Step 3: Cross multiply
   12,048x = 18,071.46 × 5,025.12
4. Step 4: Simplify right side
   12,048x = 90,811,255.08
5. Step 5: Solve for x
   x = 90,811,255.08/12,048
6. Step 6: Final answer
   x = 7,537.45