Finding the Fourth Proportional to 1,684.45, 2,324.57 and 938.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684.45 : 2,324.57 = 938.46 : x
2. Step 2: Convert to fraction form
   1,684.45/2,324.57 = 938.46/x
3. Step 3: Cross multiply
   1,684.45x = 2,324.57 × 938.46
4. Step 4: Simplify right side
   1,684.45x = 2,181,500.37
5. Step 5: Solve for x
   x = 2,181,500.37/1,684.45
6. Step 6: Final answer
   x = 1,295.08