Finding the Fourth Proportional to 1,379.82, 2,054.09 and 1,372.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.82 : 2,054.09 = 1,372.54 : x
2. Step 2: Convert to fraction form
   1,379.82/2,054.09 = 1,372.54/x
3. Step 3: Cross multiply
   1,379.82x = 2,054.09 × 1,372.54
4. Step 4: Simplify right side
   1,379.82x = 2,819,320.69
5. Step 5: Solve for x
   x = 2,819,320.69/1,379.82
6. Step 6: Final answer
   x = 2,043.25