Finding the Fourth Proportional to 8,849.86, 12,212.48 and 4,870.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.86 : 12,212.48 = 4,870.94 : x
2. Step 2: Convert to fraction form
   8,849.86/12,212.48 = 4,870.94/x
3. Step 3: Cross multiply
   8,849.86x = 12,212.48 × 4,870.94
4. Step 4: Simplify right side
   8,849.86x = 59,486,257.33
5. Step 5: Solve for x
   x = 59,486,257.33/8,849.86
6. Step 6: Final answer
   x = 6,721.72