Finding the Fourth Proportional to 1,866.09, 2,573.33 and 1,166.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866.09 : 2,573.33 = 1,166.25 : x
2. Step 2: Convert to fraction form
   1,866.09/2,573.33 = 1,166.25/x
3. Step 3: Cross multiply
   1,866.09x = 2,573.33 × 1,166.25
4. Step 4: Simplify right side
   1,866.09x = 3,001,140.28
5. Step 5: Solve for x
   x = 3,001,140.28/1,866.09
6. Step 6: Final answer
   x = 1,608.25