Finding the Fourth Proportional to 12,002.25, 18,002.16 and 3,238.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,002.25 : 18,002.16 = 3,238.05 : x
2. Step 2: Convert to fraction form
   12,002.25/18,002.16 = 3,238.05/x
3. Step 3: Cross multiply
   12,002.25x = 18,002.16 × 3,238.05
4. Step 4: Simplify right side
   12,002.25x = 58,291,894.19
5. Step 5: Solve for x
   x = 58,291,894.19/12,002.25
6. Step 6: Final answer
   x = 4,856.75