Finding the Fourth Proportional to 8,754.55, 12,081.31 and 4,775.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,754.55 : 12,081.31 = 4,775.75 : x
2. Step 2: Convert to fraction form
   8,754.55/12,081.31 = 4,775.75/x
3. Step 3: Cross multiply
   8,754.55x = 12,081.31 × 4,775.75
4. Step 4: Simplify right side
   8,754.55x = 57,697,255.83
5. Step 5: Solve for x
   x = 57,697,255.83/8,754.55
6. Step 6: Final answer
   x = 6,590.55