Finding the Fourth Proportional to 3,621.69, 5,431.28 and 1,024.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621.69 : 5,431.28 = 1,024.02 : x
2. Step 2: Convert to fraction form
   3,621.69/5,431.28 = 1,024.02/x
3. Step 3: Cross multiply
   3,621.69x = 5,431.28 × 1,024.02
4. Step 4: Simplify right side
   3,621.69x = 5,561,734.23
5. Step 5: Solve for x
   x = 5,561,734.23/3,621.69
6. Step 6: Final answer
   x = 1,535.67