Finding the Fourth Proportional to 12,281.58, 18,410.22 and 4,881.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281.58 : 18,410.22 = 4,881.42 : x
2. Step 2: Convert to fraction form
   12,281.58/18,410.22 = 4,881.42/x
3. Step 3: Cross multiply
   12,281.58x = 18,410.22 × 4,881.42
4. Step 4: Simplify right side
   12,281.58x = 89,868,016.11
5. Step 5: Solve for x
   x = 89,868,016.11/12,281.58
6. Step 6: Final answer
   x = 7,317.30