Finding the Fourth Proportional to 1,779.77, 2,456.16 and 1,033.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.77 : 2,456.16 = 1,033.57 : x
2. Step 2: Convert to fraction form
   1,779.77/2,456.16 = 1,033.57/x
3. Step 3: Cross multiply
   1,779.77x = 2,456.16 × 1,033.57
4. Step 4: Simplify right side
   1,779.77x = 2,538,608.12
5. Step 5: Solve for x
   x = 2,538,608.12/1,779.77
6. Step 6: Final answer
   x = 1,426.37