Finding the Fourth Proportional to 1,399.32, 2,099.56 and 967.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399.32 : 2,099.56 = 967.12 : x
2. Step 2: Convert to fraction form
   1,399.32/2,099.56 = 967.12/x
3. Step 3: Cross multiply
   1,399.32x = 2,099.56 × 967.12
4. Step 4: Simplify right side
   1,399.32x = 2,030,526.47
5. Step 5: Solve for x
   x = 2,030,526.47/1,399.32
6. Step 6: Final answer
   x = 1,451.08