Finding the Fourth Proportional to 12,258.52, 18,389.50 and 4,863.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.52 : 18,389.50 = 4,863.74 : x
2. Step 2: Convert to fraction form
   12,258.52/18,389.50 = 4,863.74/x
3. Step 3: Cross multiply
   12,258.52x = 18,389.50 × 4,863.74
4. Step 4: Simplify right side
   12,258.52x = 89,441,642.62
5. Step 5: Solve for x
   x = 89,441,642.62/12,258.52
6. Step 6: Final answer
   x = 7,296.29