Finding the Fourth Proportional to 5,978.34, 8,968.71 and 2,280.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.34 : 8,968.71 = 2,280.60 : x
2. Step 2: Convert to fraction form
   5,978.34/8,968.71 = 2,280.60/x
3. Step 3: Cross multiply
   5,978.34x = 8,968.71 × 2,280.60
4. Step 4: Simplify right side
   5,978.34x = 20,454,040.03
5. Step 5: Solve for x
   x = 20,454,040.03/5,978.34
6. Step 6: Final answer
   x = 3,421.36