Finding the Fourth Proportional to 1,983.42, 2,729.25 and 1,923.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.42 : 2,729.25 = 1,923.30 : x
2. Step 2: Convert to fraction form
   1,983.42/2,729.25 = 1,923.30/x
3. Step 3: Cross multiply
   1,983.42x = 2,729.25 × 1,923.30
4. Step 4: Simplify right side
   1,983.42x = 5,249,166.53
5. Step 5: Solve for x
   x = 5,249,166.53/1,983.42
6. Step 6: Final answer
   x = 2,646.52