Finding the Fourth Proportional to 1,669.71, 2,304.18 and 997.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.71 : 2,304.18 = 997.82 : x
2. Step 2: Convert to fraction form
   1,669.71/2,304.18 = 997.82/x
3. Step 3: Cross multiply
   1,669.71x = 2,304.18 × 997.82
4. Step 4: Simplify right side
   1,669.71x = 2,299,147.53
5. Step 5: Solve for x
   x = 2,299,147.53/1,669.71
6. Step 6: Final answer
   x = 1,376.98