Finding the Fourth Proportional to 2,263.75, 3,123.72 and 1,319.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.75 : 3,123.72 = 1,319.74 : x
2. Step 2: Convert to fraction form
   2,263.75/3,123.72 = 1,319.74/x
3. Step 3: Cross multiply
   2,263.75x = 3,123.72 × 1,319.74
4. Step 4: Simplify right side
   2,263.75x = 4,122,498.23
5. Step 5: Solve for x
   x = 4,122,498.23/2,263.75
6. Step 6: Final answer
   x = 1,821.09