Finding the Fourth Proportional to 2,176.41, 3,002.31 and 1,337.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.41 : 3,002.31 = 1,337.30 : x
2. Step 2: Convert to fraction form
   2,176.41/3,002.31 = 1,337.30/x
3. Step 3: Cross multiply
   2,176.41x = 3,002.31 × 1,337.30
4. Step 4: Simplify right side
   2,176.41x = 4,014,993.55
5. Step 5: Solve for x
   x = 4,014,993.55/2,176.41
6. Step 6: Final answer
   x = 1,844.78