Finding the Fourth Proportional to 8,776.03, 12,111.09 and 4,797.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.03 : 12,111.09 = 4,797.31 : x
2. Step 2: Convert to fraction form
   8,776.03/12,111.09 = 4,797.31/x
3. Step 3: Cross multiply
   8,776.03x = 12,111.09 × 4,797.31
4. Step 4: Simplify right side
   8,776.03x = 58,100,653.17
5. Step 5: Solve for x
   x = 58,100,653.17/8,776.03
6. Step 6: Final answer
   x = 6,620.38