Finding the Fourth Proportional to 3,656.89, 5,485.67 and 1,024.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.89 : 5,485.67 = 1,024.39 : x
2. Step 2: Convert to fraction form
   3,656.89/5,485.67 = 1,024.39/x
3. Step 3: Cross multiply
   3,656.89x = 5,485.67 × 1,024.39
4. Step 4: Simplify right side
   3,656.89x = 5,619,438.06
5. Step 5: Solve for x
   x = 5,619,438.06/3,656.89
6. Step 6: Final answer
   x = 1,536.67