Finding the Fourth Proportional to 6,300.78, 8,694.08 and 3,506.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.78 : 8,694.08 = 3,506.28 : x
2. Step 2: Convert to fraction form
   6,300.78/8,694.08 = 3,506.28/x
3. Step 3: Cross multiply
   6,300.78x = 8,694.08 × 3,506.28
4. Step 4: Simplify right side
   6,300.78x = 30,483,878.82
5. Step 5: Solve for x
   x = 30,483,878.82/6,300.78
6. Step 6: Final answer
   x = 4,838.11