Finding the Fourth Proportional to 12,249.16, 18,376.61 and 3,484.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,249.16 : 18,376.61 = 3,484.15 : x
2. Step 2: Convert to fraction form
   12,249.16/18,376.61 = 3,484.15/x
3. Step 3: Cross multiply
   12,249.16x = 18,376.61 × 3,484.15
4. Step 4: Simplify right side
   12,249.16x = 64,026,802.37
5. Step 5: Solve for x
   x = 64,026,802.37/12,249.16
6. Step 6: Final answer
   x = 5,227.04