Finding the Fourth Proportional to 1,684.01, 2,323.90 and 938.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684.01 : 2,323.90 = 938.03 : x
2. Step 2: Convert to fraction form
   1,684.01/2,323.90 = 938.03/x
3. Step 3: Cross multiply
   1,684.01x = 2,323.90 × 938.03
4. Step 4: Simplify right side
   1,684.01x = 2,179,871.61
5. Step 5: Solve for x
   x = 2,179,871.61/1,684.01
6. Step 6: Final answer
   x = 1,294.46