Finding the Fourth Proportional to 2,763.08, 4,145.74 and 1,223

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.08 : 4,145.74 = 1,223 : x
2. Step 2: Convert to fraction form
   2,763.08/4,145.74 = 1,223/x
3. Step 3: Cross multiply
   2,763.08x = 4,145.74 × 1,223
4. Step 4: Simplify right side
   2,763.08x = 5,070,240.02
5. Step 5: Solve for x
   x = 5,070,240.02/2,763.08
6. Step 6: Final answer
   x = 1,835.00