Finding the Fourth Proportional to 3,366.69, 5,050.85 and 1,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,366.69 : 5,050.85 = 1,145.50 : x
2. Step 2: Convert to fraction form
   3,366.69/5,050.85 = 1,145.50/x
3. Step 3: Cross multiply
   3,366.69x = 5,050.85 × 1,145.50
4. Step 4: Simplify right side
   3,366.69x = 5,785,742.95
5. Step 5: Solve for x
   x = 5,785,742.95/3,366.69
6. Step 6: Final answer
   x = 1,718.53