Finding the Fourth Proportional to 3,978.65, 5,968.01 and 1,349.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.65 : 5,968.01 = 1,349.12 : x
2. Step 2: Convert to fraction form
   3,978.65/5,968.01 = 1,349.12/x
3. Step 3: Cross multiply
   3,978.65x = 5,968.01 × 1,349.12
4. Step 4: Simplify right side
   3,978.65x = 8,051,554.91
5. Step 5: Solve for x
   x = 8,051,554.91/3,978.65
6. Step 6: Final answer
   x = 2,023.69