Finding the Fourth Proportional to 12,279.37, 18,427.56 and 4,883.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,279.37 : 18,427.56 = 4,883.06 : x
2. Step 2: Convert to fraction form
   12,279.37/18,427.56 = 4,883.06/x
3. Step 3: Cross multiply
   12,279.37x = 18,427.56 × 4,883.06
4. Step 4: Simplify right side
   12,279.37x = 89,982,856.72
5. Step 5: Solve for x
   x = 89,982,856.72/12,279.37
6. Step 6: Final answer
   x = 7,327.97