Finding the Fourth Proportional to 2,281.14, 3,148.05 and 1,384.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.14 : 3,148.05 = 1,384.71 : x
2. Step 2: Convert to fraction form
   2,281.14/3,148.05 = 1,384.71/x
3. Step 3: Cross multiply
   2,281.14x = 3,148.05 × 1,384.71
4. Step 4: Simplify right side
   2,281.14x = 4,359,136.32
5. Step 5: Solve for x
   x = 4,359,136.32/2,281.14
6. Step 6: Final answer
   x = 1,910.95