Finding the Fourth Proportional to 2,109.40, 3,159.27 and 1,014.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.40 : 3,159.27 = 1,014.55 : x
2. Step 2: Convert to fraction form
   2,109.40/3,159.27 = 1,014.55/x
3. Step 3: Cross multiply
   2,109.40x = 3,159.27 × 1,014.55
4. Step 4: Simplify right side
   2,109.40x = 3,205,237.38
5. Step 5: Solve for x
   x = 3,205,237.38/2,109.40
6. Step 6: Final answer
   x = 1,519.50