Finding the Fourth Proportional to 8,783.83, 12,121.98 and 4,804.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783.83 : 12,121.98 = 4,804.85 : x
2. Step 2: Convert to fraction form
   8,783.83/12,121.98 = 4,804.85/x
3. Step 3: Cross multiply
   8,783.83x = 12,121.98 × 4,804.85
4. Step 4: Simplify right side
   8,783.83x = 58,244,307.89
5. Step 5: Solve for x
   x = 58,244,307.89/8,783.83
6. Step 6: Final answer
   x = 6,630.85