Finding the Fourth Proportional to 8,826.64, 12,180.78 and 4,848.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.64 : 12,180.78 = 4,848.02 : x
2. Step 2: Convert to fraction form
   8,826.64/12,180.78 = 4,848.02/x
3. Step 3: Cross multiply
   8,826.64x = 12,180.78 × 4,848.02
4. Step 4: Simplify right side
   8,826.64x = 59,052,665.06
5. Step 5: Solve for x
   x = 59,052,665.06/8,826.64
6. Step 6: Final answer
   x = 6,690.28