Finding the Fourth Proportional to 12,204.47, 18,308.06 and 3,881.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,204.47 : 18,308.06 = 3,881.57 : x
2. Step 2: Convert to fraction form
   12,204.47/18,308.06 = 3,881.57/x
3. Step 3: Cross multiply
   12,204.47x = 18,308.06 × 3,881.57
4. Step 4: Simplify right side
   12,204.47x = 71,064,023.04
5. Step 5: Solve for x
   x = 71,064,023.04/12,204.47
6. Step 6: Final answer
   x = 5,822.79