Finding the Fourth Proportional to 1,405.22, 2,109.27 and 675.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405.22 : 2,109.27 = 675.14 : x
2. Step 2: Convert to fraction form
   1,405.22/2,109.27 = 675.14/x
3. Step 3: Cross multiply
   1,405.22x = 2,109.27 × 675.14
4. Step 4: Simplify right side
   1,405.22x = 1,424,052.55
5. Step 5: Solve for x
   x = 1,424,052.55/1,405.22
6. Step 6: Final answer
   x = 1,013.40