Finding the Fourth Proportional to 1,032.69, 1,546.61 and 859.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.69 : 1,546.61 = 859.35 : x
2. Step 2: Convert to fraction form
   1,032.69/1,546.61 = 859.35/x
3. Step 3: Cross multiply
   1,032.69x = 1,546.61 × 859.35
4. Step 4: Simplify right side
   1,032.69x = 1,329,075.01
5. Step 5: Solve for x
   x = 1,329,075.01/1,032.69
6. Step 6: Final answer
   x = 1,287.00