Finding the Fourth Proportional to 1,427.25, 2,139.12 and 1,014.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.25 : 2,139.12 = 1,014.15 : x
2. Step 2: Convert to fraction form
   1,427.25/2,139.12 = 1,014.15/x
3. Step 3: Cross multiply
   1,427.25x = 2,139.12 × 1,014.15
4. Step 4: Simplify right side
   1,427.25x = 2,169,388.55
5. Step 5: Solve for x
   x = 2,169,388.55/1,427.25
6. Step 6: Final answer
   x = 1,519.98