Finding the Fourth Proportional to 1,746.25, 2,618.43 and 866.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.25 : 2,618.43 = 866.82 : x
2. Step 2: Convert to fraction form
   1,746.25/2,618.43 = 866.82/x
3. Step 3: Cross multiply
   1,746.25x = 2,618.43 × 866.82
4. Step 4: Simplify right side
   1,746.25x = 2,269,699.33
5. Step 5: Solve for x
   x = 2,269,699.33/1,746.25
6. Step 6: Final answer
   x = 1,299.76