Finding the Fourth Proportional to 2,263.89, 3,124.46 and 1,379.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.89 : 3,124.46 = 1,379.67 : x
2. Step 2: Convert to fraction form
   2,263.89/3,124.46 = 1,379.67/x
3. Step 3: Cross multiply
   2,263.89x = 3,124.46 × 1,379.67
4. Step 4: Simplify right side
   2,263.89x = 4,310,723.73
5. Step 5: Solve for x
   x = 4,310,723.73/2,263.89
6. Step 6: Final answer
   x = 1,904.12