Finding the Fourth Proportional to 12,267.02, 18,398.56 and 3,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,267.02 : 18,398.56 = 3,499.89 : x
2. Step 2: Convert to fraction form
   12,267.02/18,398.56 = 3,499.89/x
3. Step 3: Cross multiply
   12,267.02x = 18,398.56 × 3,499.89
4. Step 4: Simplify right side
   12,267.02x = 64,392,826.67
5. Step 5: Solve for x
   x = 64,392,826.67/12,267.02
6. Step 6: Final answer
   x = 5,249.26