Finding the Fourth Proportional to 1,758.43, 2,424.43 and 1,285.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.43 : 2,424.43 = 1,285.94 : x
2. Step 2: Convert to fraction form
   1,758.43/2,424.43 = 1,285.94/x
3. Step 3: Cross multiply
   1,758.43x = 2,424.43 × 1,285.94
4. Step 4: Simplify right side
   1,758.43x = 3,117,679.18
5. Step 5: Solve for x
   x = 3,117,679.18/1,758.43
6. Step 6: Final answer
   x = 1,772.99