Finding the Fourth Proportional to 6,899.15, 10,348.83 and 1,968.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,899.15 : 10,348.83 = 1,968.58 : x
2. Step 2: Convert to fraction form
   6,899.15/10,348.83 = 1,968.58/x
3. Step 3: Cross multiply
   6,899.15x = 10,348.83 × 1,968.58
4. Step 4: Simplify right side
   6,899.15x = 20,372,499.76
5. Step 5: Solve for x
   x = 20,372,499.76/6,899.15
6. Step 6: Final answer
   x = 2,952.90