Finding the Fourth Proportional to 3,345.39, 5,019.17 and 1,154.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.39 : 5,019.17 = 1,154.14 : x
2. Step 2: Convert to fraction form
   3,345.39/5,019.17 = 1,154.14/x
3. Step 3: Cross multiply
   3,345.39x = 5,019.17 × 1,154.14
4. Step 4: Simplify right side
   3,345.39x = 5,792,806.55
5. Step 5: Solve for x
   x = 5,792,806.55/3,345.39
6. Step 6: Final answer
   x = 1,731.58