Finding the Fourth Proportional to 2,263.65, 3,123.72 and 1,269.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.65 : 3,123.72 = 1,269.03 : x
2. Step 2: Convert to fraction form
   2,263.65/3,123.72 = 1,269.03/x
3. Step 3: Cross multiply
   2,263.65x = 3,123.72 × 1,269.03
4. Step 4: Simplify right side
   2,263.65x = 3,964,094.39
5. Step 5: Solve for x
   x = 3,964,094.39/2,263.65
6. Step 6: Final answer
   x = 1,751.20