Finding the Fourth Proportional to 2,281.23, 3,148.09 and 1,384.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.23 : 3,148.09 = 1,384.67 : x
2. Step 2: Convert to fraction form
   2,281.23/3,148.09 = 1,384.67/x
3. Step 3: Cross multiply
   2,281.23x = 3,148.09 × 1,384.67
4. Step 4: Simplify right side
   2,281.23x = 4,359,065.78
5. Step 5: Solve for x
   x = 4,359,065.78/2,281.23
6. Step 6: Final answer
   x = 1,910.84