Finding the Fourth Proportional to 1,690.41, 2,527.29 and 1,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690.41 : 2,527.29 = 1,433.31 : x
2. Step 2: Convert to fraction form
   1,690.41/2,527.29 = 1,433.31/x
3. Step 3: Cross multiply
   1,690.41x = 2,527.29 × 1,433.31
4. Step 4: Simplify right side
   1,690.41x = 3,622,390.03
5. Step 5: Solve for x
   x = 3,622,390.03/1,690.41
6. Step 6: Final answer
   x = 2,142.91