Finding the Fourth Proportional to 8,757.25, 12,084.59 and 4,980.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,757.25 : 12,084.59 = 4,980.32 : x
2. Step 2: Convert to fraction form
   8,757.25/12,084.59 = 4,980.32/x
3. Step 3: Cross multiply
   8,757.25x = 12,084.59 × 4,980.32
4. Step 4: Simplify right side
   8,757.25x = 60,185,122.61
5. Step 5: Solve for x
   x = 60,185,122.61/8,757.25
6. Step 6: Final answer
   x = 6,872.61