Finding the Fourth Proportional to 1,684.56, 2,324.72 and 938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684.56 : 2,324.72 = 938.52 : x
2. Step 2: Convert to fraction form
   1,684.56/2,324.72 = 938.52/x
3. Step 3: Cross multiply
   1,684.56x = 2,324.72 × 938.52
4. Step 4: Simplify right side
   1,684.56x = 2,181,796.21
5. Step 5: Solve for x
   x = 2,181,796.21/1,684.56
6. Step 6: Final answer
   x = 1,295.17