Finding the Fourth Proportional to 8,757.40, 12,084.90 and 4,980.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,757.40 : 12,084.90 = 4,980.52 : x
2. Step 2: Convert to fraction form
   8,757.40/12,084.90 = 4,980.52/x
3. Step 3: Cross multiply
   8,757.40x = 12,084.90 × 4,980.52
4. Step 4: Simplify right side
   8,757.40x = 60,189,086.15
5. Step 5: Solve for x
   x = 60,189,086.15/8,757.40
6. Step 6: Final answer
   x = 6,872.94