Finding the Fourth Proportional to 8,849.30, 12,212.25 and 4,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.30 : 12,212.25 = 4,870.04 : x
2. Step 2: Convert to fraction form
   8,849.30/12,212.25 = 4,870.04/x
3. Step 3: Cross multiply
   8,849.30x = 12,212.25 × 4,870.04
4. Step 4: Simplify right side
   8,849.30x = 59,474,145.99
5. Step 5: Solve for x
   x = 59,474,145.99/8,849.30
6. Step 6: Final answer
   x = 6,720.77