Finding the Fourth Proportional to 2,157.44, 2,978.17 and 1,459.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.44 : 2,978.17 = 1,459.22 : x
2. Step 2: Convert to fraction form
   2,157.44/2,978.17 = 1,459.22/x
3. Step 3: Cross multiply
   2,157.44x = 2,978.17 × 1,459.22
4. Step 4: Simplify right side
   2,157.44x = 4,345,786.69
5. Step 5: Solve for x
   x = 4,345,786.69/2,157.44
6. Step 6: Final answer
   x = 2,014.33