Finding the Fourth Proportional to 6,196.26, 9,291.31 and 1,978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,196.26 : 9,291.31 = 1,978.96 : x
2. Step 2: Convert to fraction form
   6,196.26/9,291.31 = 1,978.96/x
3. Step 3: Cross multiply
   6,196.26x = 9,291.31 × 1,978.96
4. Step 4: Simplify right side
   6,196.26x = 18,387,074.49
5. Step 5: Solve for x
   x = 18,387,074.49/6,196.26
6. Step 6: Final answer
   x = 2,967.45