Finding the Fourth Proportional to 12,214.32, 18,322.25 and 3,449.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,214.32 : 18,322.25 = 3,449.91 : x
2. Step 2: Convert to fraction form
   12,214.32/18,322.25 = 3,449.91/x
3. Step 3: Cross multiply
   12,214.32x = 18,322.25 × 3,449.91
4. Step 4: Simplify right side
   12,214.32x = 63,210,096.25
5. Step 5: Solve for x
   x = 63,210,096.25/12,214.32
6. Step 6: Final answer
   x = 5,175.08