Finding the Fourth Proportional to 2,663.26, 3,995.43 and 1,019.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.26 : 3,995.43 = 1,019.86 : x
2. Step 2: Convert to fraction form
   2,663.26/3,995.43 = 1,019.86/x
3. Step 3: Cross multiply
   2,663.26x = 3,995.43 × 1,019.86
4. Step 4: Simplify right side
   2,663.26x = 4,074,779.24
5. Step 5: Solve for x
   x = 4,074,779.24/2,663.26
6. Step 6: Final answer
   x = 1,530.00