Finding the Fourth Proportional to 8,758.59, 12,087.20 and 4,982.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.59 : 12,087.20 = 4,982.10 : x
2. Step 2: Convert to fraction form
   8,758.59/12,087.20 = 4,982.10/x
3. Step 3: Cross multiply
   8,758.59x = 12,087.20 × 4,982.10
4. Step 4: Simplify right side
   8,758.59x = 60,219,639.12
5. Step 5: Solve for x
   x = 60,219,639.12/8,758.59
6. Step 6: Final answer
   x = 6,875.49