Finding the Fourth Proportional to 3,489.39, 5,233.59 and 1,023.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489.39 : 5,233.59 = 1,023.57 : x
2. Step 2: Convert to fraction form
   3,489.39/5,233.59 = 1,023.57/x
3. Step 3: Cross multiply
   3,489.39x = 5,233.59 × 1,023.57
4. Step 4: Simplify right side
   3,489.39x = 5,356,945.72
5. Step 5: Solve for x
   x = 5,356,945.72/3,489.39
6. Step 6: Final answer
   x = 1,535.21