Finding the Fourth Proportional to 1,690.69, 2,333.15 and 1,027.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690.69 : 2,333.15 = 1,027.43 : x
2. Step 2: Convert to fraction form
   1,690.69/2,333.15 = 1,027.43/x
3. Step 3: Cross multiply
   1,690.69x = 2,333.15 × 1,027.43
4. Step 4: Simplify right side
   1,690.69x = 2,397,139.21
5. Step 5: Solve for x
   x = 2,397,139.21/1,690.69
6. Step 6: Final answer
   x = 1,417.85