Finding the Fourth Proportional to 8,776.52, 12,111.80 and 4,797.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.52 : 12,111.80 = 4,797.80 : x
2. Step 2: Convert to fraction form
   8,776.52/12,111.80 = 4,797.80/x
3. Step 3: Cross multiply
   8,776.52x = 12,111.80 × 4,797.80
4. Step 4: Simplify right side
   8,776.52x = 58,109,994.04
5. Step 5: Solve for x
   x = 58,109,994.04/8,776.52
6. Step 6: Final answer
   x = 6,621.07