Finding the Fourth Proportional to 1,857.02, 2,562.66 and 1,017.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.02 : 2,562.66 = 1,017.69 : x
2. Step 2: Convert to fraction form
   1,857.02/2,562.66 = 1,017.69/x
3. Step 3: Cross multiply
   1,857.02x = 2,562.66 × 1,017.69
4. Step 4: Simplify right side
   1,857.02x = 2,607,993.46
5. Step 5: Solve for x
   x = 2,607,993.46/1,857.02
6. Step 6: Final answer
   x = 1,404.40