Finding the Fourth Proportional to 1,743.34, 2,405.83 and 997.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.34 : 2,405.83 = 997.29 : x
2. Step 2: Convert to fraction form
   1,743.34/2,405.83 = 997.29/x
3. Step 3: Cross multiply
   1,743.34x = 2,405.83 × 997.29
4. Step 4: Simplify right side
   1,743.34x = 2,399,310.20
5. Step 5: Solve for x
   x = 2,399,310.20/1,743.34
6. Step 6: Final answer
   x = 1,376.27