Finding the Fourth Proportional to 12,258.52, 18,377.38 and 4,868.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.52 : 18,377.38 = 4,868.20 : x
2. Step 2: Convert to fraction form
   12,258.52/18,377.38 = 4,868.20/x
3. Step 3: Cross multiply
   12,258.52x = 18,377.38 × 4,868.20
4. Step 4: Simplify right side
   12,258.52x = 89,464,761.32
5. Step 5: Solve for x
   x = 89,464,761.32/12,258.52
6. Step 6: Final answer
   x = 7,298.17