Finding the Fourth Proportional to 1,984.83, 2,739.23 and 1,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.83 : 2,739.23 = 1,145.56 : x
2. Step 2: Convert to fraction form
   1,984.83/2,739.23 = 1,145.56/x
3. Step 3: Cross multiply
   1,984.83x = 2,739.23 × 1,145.56
4. Step 4: Simplify right side
   1,984.83x = 3,137,952.32
5. Step 5: Solve for x
   x = 3,137,952.32/1,984.83
6. Step 6: Final answer
   x = 1,580.97