Finding the Fourth Proportional to 12,003.24, 18,004.32 and 8,498.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.24 : 18,004.32 = 8,498.25 : x
2. Step 2: Convert to fraction form
   12,003.24/18,004.32 = 8,498.25/x
3. Step 3: Cross multiply
   12,003.24x = 18,004.32 × 8,498.25
4. Step 4: Simplify right side
   12,003.24x = 153,005,212.44
5. Step 5: Solve for x
   x = 153,005,212.44/12,003.24
6. Step 6: Final answer
   x = 12,746.99