Finding the Fourth Proportional to 12,164.90, 18,241.27 and 5,585.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.90 : 18,241.27 = 5,585.47 : x
2. Step 2: Convert to fraction form
   12,164.90/18,241.27 = 5,585.47/x
3. Step 3: Cross multiply
   12,164.90x = 18,241.27 × 5,585.47
4. Step 4: Simplify right side
   12,164.90x = 101,886,066.35
5. Step 5: Solve for x
   x = 101,886,066.35/12,164.90
6. Step 6: Final answer
   x = 8,375.41