Finding the Fourth Proportional to 12,264.30, 18,396.62 and 3,499.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.30 : 18,396.62 = 3,499.21 : x
2. Step 2: Convert to fraction form
   12,264.30/18,396.62 = 3,499.21/x
3. Step 3: Cross multiply
   12,264.30x = 18,396.62 × 3,499.21
4. Step 4: Simplify right side
   12,264.30x = 64,373,619.17
5. Step 5: Solve for x
   x = 64,373,619.17/12,264.30
6. Step 6: Final answer
   x = 5,248.86