Finding the Fourth Proportional to 12,017.25, 18,014.15 and 4,802.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,017.25 : 18,014.15 = 4,802.25 : x
2. Step 2: Convert to fraction form
   12,017.25/18,014.15 = 4,802.25/x
3. Step 3: Cross multiply
   12,017.25x = 18,014.15 × 4,802.25
4. Step 4: Simplify right side
   12,017.25x = 86,508,451.84
5. Step 5: Solve for x
   x = 86,508,451.84/12,017.25
6. Step 6: Final answer
   x = 7,198.69