Finding the Fourth Proportional to 1,939.42, 2,908.60 and 1,323.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.42 : 2,908.60 = 1,323.01 : x
2. Step 2: Convert to fraction form
   1,939.42/2,908.60 = 1,323.01/x
3. Step 3: Cross multiply
   1,939.42x = 2,908.60 × 1,323.01
4. Step 4: Simplify right side
   1,939.42x = 3,848,106.89
5. Step 5: Solve for x
   x = 3,848,106.89/1,939.42
6. Step 6: Final answer
   x = 1,984.15