Finding the Fourth Proportional to 8,776.43, 12,111.50 and 4,797.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.43 : 12,111.50 = 4,797.59 : x
2. Step 2: Convert to fraction form
   8,776.43/12,111.50 = 4,797.59/x
3. Step 3: Cross multiply
   8,776.43x = 12,111.50 × 4,797.59
4. Step 4: Simplify right side
   8,776.43x = 58,105,987.30
5. Step 5: Solve for x
   x = 58,105,987.30/8,776.43
6. Step 6: Final answer
   x = 6,620.69