Finding the Fourth Proportional to 2,115.49, 3,167.76 and 1,459.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115.49 : 3,167.76 = 1,459.39 : x
2. Step 2: Convert to fraction form
   2,115.49/3,167.76 = 1,459.39/x
3. Step 3: Cross multiply
   2,115.49x = 3,167.76 × 1,459.39
4. Step 4: Simplify right side
   2,115.49x = 4,622,997.27
5. Step 5: Solve for x
   x = 4,622,997.27/2,115.49
6. Step 6: Final answer
   x = 2,185.31