Finding the Fourth Proportional to 8,776.14, 12,111.15 and 4,797.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.14 : 12,111.15 = 4,797.18 : x
2. Step 2: Convert to fraction form
   8,776.14/12,111.15 = 4,797.18/x
3. Step 3: Cross multiply
   8,776.14x = 12,111.15 × 4,797.18
4. Step 4: Simplify right side
   8,776.14x = 58,099,366.56
5. Step 5: Solve for x
   x = 58,099,366.56/8,776.14
6. Step 6: Final answer
   x = 6,620.15