Finding the Fourth Proportional to 8,849.79, 12,212.29 and 4,870.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.79 : 12,212.29 = 4,870.82 : x
2. Step 2: Convert to fraction form
   8,849.79/12,212.29 = 4,870.82/x
3. Step 3: Cross multiply
   8,849.79x = 12,212.29 × 4,870.82
4. Step 4: Simplify right side
   8,849.79x = 59,483,868.70
5. Step 5: Solve for x
   x = 59,483,868.70/8,849.79
6. Step 6: Final answer
   x = 6,721.50