Finding the Fourth Proportional to 2,137.59, 3,207.47 and 967.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.59 : 3,207.47 = 967.28 : x
2. Step 2: Convert to fraction form
   2,137.59/3,207.47 = 967.28/x
3. Step 3: Cross multiply
   2,137.59x = 3,207.47 × 967.28
4. Step 4: Simplify right side
   2,137.59x = 3,102,500.71
5. Step 5: Solve for x
   x = 3,102,500.71/2,137.59
6. Step 6: Final answer
   x = 1,451.40