Finding the Fourth Proportional to 2,253.14, 3,109.56 and 1,369.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.14 : 3,109.56 = 1,369.03 : x
2. Step 2: Convert to fraction form
   2,253.14/3,109.56 = 1,369.03/x
3. Step 3: Cross multiply
   2,253.14x = 3,109.56 × 1,369.03
4. Step 4: Simplify right side
   2,253.14x = 4,257,080.93
5. Step 5: Solve for x
   x = 4,257,080.93/2,253.14
6. Step 6: Final answer
   x = 1,889.40