Finding the Fourth Proportional to 3,409.17, 5,114.33 and 1,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409.17 : 5,114.33 = 1,068.72 : x
2. Step 2: Convert to fraction form
   3,409.17/5,114.33 = 1,068.72/x
3. Step 3: Cross multiply
   3,409.17x = 5,114.33 × 1,068.72
4. Step 4: Simplify right side
   3,409.17x = 5,465,786.76
5. Step 5: Solve for x
   x = 5,465,786.76/3,409.17
6. Step 6: Final answer
   x = 1,603.26