Finding the Fourth Proportional to 6,878.60, 10,318.06 and 1,684.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,878.60 : 10,318.06 = 1,684.52 : x
2. Step 2: Convert to fraction form
   6,878.60/10,318.06 = 1,684.52/x
3. Step 3: Cross multiply
   6,878.60x = 10,318.06 × 1,684.52
4. Step 4: Simplify right side
   6,878.60x = 17,380,978.43
5. Step 5: Solve for x
   x = 17,380,978.43/6,878.60
6. Step 6: Final answer
   x = 2,526.82