Finding the Fourth Proportional to 3,978.22, 5,967.97 and 1,345.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.22 : 5,967.97 = 1,345.88 : x
2. Step 2: Convert to fraction form
   3,978.22/5,967.97 = 1,345.88/x
3. Step 3: Cross multiply
   3,978.22x = 5,967.97 × 1,345.88
4. Step 4: Simplify right side
   3,978.22x = 8,032,171.83
5. Step 5: Solve for x
   x = 8,032,171.83/3,978.22
6. Step 6: Final answer
   x = 2,019.04