Finding the Fourth Proportional to 1,743.53, 2,406.06 and 997.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.53 : 2,406.06 = 997.61 : x
2. Step 2: Convert to fraction form
   1,743.53/2,406.06 = 997.61/x
3. Step 3: Cross multiply
   1,743.53x = 2,406.06 × 997.61
4. Step 4: Simplify right side
   1,743.53x = 2,400,297.49
5. Step 5: Solve for x
   x = 2,400,297.49/1,743.53
6. Step 6: Final answer
   x = 1,376.69