Finding the Fourth Proportional to 3,980.45, 5,973.86 and 2,338.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980.45 : 5,973.86 = 2,338.38 : x
2. Step 2: Convert to fraction form
   3,980.45/5,973.86 = 2,338.38/x
3. Step 3: Cross multiply
   3,980.45x = 5,973.86 × 2,338.38
4. Step 4: Simplify right side
   3,980.45x = 13,969,124.88
5. Step 5: Solve for x
   x = 13,969,124.88/3,980.45
6. Step 6: Final answer
   x = 3,509.44