Finding the Fourth Proportional to 8,883.12, 12,258.72 and 4,904.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,883.12 : 12,258.72 = 4,904.40 : x
2. Step 2: Convert to fraction form
   8,883.12/12,258.72 = 4,904.40/x
3. Step 3: Cross multiply
   8,883.12x = 12,258.72 × 4,904.40
4. Step 4: Simplify right side
   8,883.12x = 60,121,666.37
5. Step 5: Solve for x
   x = 60,121,666.37/8,883.12
6. Step 6: Final answer
   x = 6,768.08