Finding the Fourth Proportional to 1,657.82, 2,287.54 and 994.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,657.82 : 2,287.54 = 994.52 : x
2. Step 2: Convert to fraction form
   1,657.82/2,287.54 = 994.52/x
3. Step 3: Cross multiply
   1,657.82x = 2,287.54 × 994.52
4. Step 4: Simplify right side
   1,657.82x = 2,275,004.28
5. Step 5: Solve for x
   x = 2,275,004.28/1,657.82
6. Step 6: Final answer
   x = 1,372.29