Finding the Fourth Proportional to 12,258.01, 18,388.74 and 4,863.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.01 : 18,388.74 = 4,863.22 : x
2. Step 2: Convert to fraction form
   12,258.01/18,388.74 = 4,863.22/x
3. Step 3: Cross multiply
   12,258.01x = 18,388.74 × 4,863.22
4. Step 4: Simplify right side
   12,258.01x = 89,428,488.14
5. Step 5: Solve for x
   x = 89,428,488.14/12,258.01
6. Step 6: Final answer
   x = 7,295.51