Finding the Fourth Proportional to 2,048.43, 2,824.59 and 1,384.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.43 : 2,824.59 = 1,384.12 : x
2. Step 2: Convert to fraction form
   2,048.43/2,824.59 = 1,384.12/x
3. Step 3: Cross multiply
   2,048.43x = 2,824.59 × 1,384.12
4. Step 4: Simplify right side
   2,048.43x = 3,909,571.51
5. Step 5: Solve for x
   x = 3,909,571.51/2,048.43
6. Step 6: Final answer
   x = 1,908.57