Finding the Fourth Proportional to 8,776.18, 12,111.15 and 4,797.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.18 : 12,111.15 = 4,797.34 : x
2. Step 2: Convert to fraction form
   8,776.18/12,111.15 = 4,797.34/x
3. Step 3: Cross multiply
   8,776.18x = 12,111.15 × 4,797.34
4. Step 4: Simplify right side
   8,776.18x = 58,101,304.34
5. Step 5: Solve for x
   x = 58,101,304.34/8,776.18
6. Step 6: Final answer
   x = 6,620.34