Finding the Fourth Proportional to 2,849.33, 4,276.73 and 1,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.33 : 4,276.73 = 1,389.50 : x
2. Step 2: Convert to fraction form
   2,849.33/4,276.73 = 1,389.50/x
3. Step 3: Cross multiply
   2,849.33x = 4,276.73 × 1,389.50
4. Step 4: Simplify right side
   2,849.33x = 5,942,516.34
5. Step 5: Solve for x
   x = 5,942,516.34/2,849.33
6. Step 6: Final answer
   x = 2,085.58