Finding the Fourth Proportional to 3,346.45, 5,019.69 and 1,155.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,346.45 : 5,019.69 = 1,155.16 : x
2. Step 2: Convert to fraction form
   3,346.45/5,019.69 = 1,155.16/x
3. Step 3: Cross multiply
   3,346.45x = 5,019.69 × 1,155.16
4. Step 4: Simplify right side
   3,346.45x = 5,798,545.10
5. Step 5: Solve for x
   x = 5,798,545.10/3,346.45
6. Step 6: Final answer
   x = 1,732.75