Finding the Fourth Proportional to 8,776.46, 12,111.52 and 4,797.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.46 : 12,111.52 = 4,797.57 : x
2. Step 2: Convert to fraction form
   8,776.46/12,111.52 = 4,797.57/x
3. Step 3: Cross multiply
   8,776.46x = 12,111.52 × 4,797.57
4. Step 4: Simplify right side
   8,776.46x = 58,105,865.01
5. Step 5: Solve for x
   x = 58,105,865.01/8,776.46
6. Step 6: Final answer
   x = 6,620.65