Finding the Fourth Proportional to 8,849.80, 12,212.94 and 4,870.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.80 : 12,212.94 = 4,870.54 : x
2. Step 2: Convert to fraction form
   8,849.80/12,212.94 = 4,870.54/x
3. Step 3: Cross multiply
   8,849.80x = 12,212.94 × 4,870.54
4. Step 4: Simplify right side
   8,849.80x = 59,483,612.79
5. Step 5: Solve for x
   x = 59,483,612.79/8,849.80
6. Step 6: Final answer
   x = 6,721.46