Finding the Fourth Proportional to 12,264.12, 18,399.29 and 3,499.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.12 : 18,399.29 = 3,499.07 : x
2. Step 2: Convert to fraction form
   12,264.12/18,399.29 = 3,499.07/x
3. Step 3: Cross multiply
   12,264.12x = 18,399.29 × 3,499.07
4. Step 4: Simplify right side
   12,264.12x = 64,380,294.17
5. Step 5: Solve for x
   x = 64,380,294.17/12,264.12
6. Step 6: Final answer
   x = 5,249.48