Finding the Fourth Proportional to 3,666.25, 5,500.29 and 1,069.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.25 : 5,500.29 = 1,069.19 : x
2. Step 2: Convert to fraction form
   3,666.25/5,500.29 = 1,069.19/x
3. Step 3: Cross multiply
   3,666.25x = 5,500.29 × 1,069.19
4. Step 4: Simplify right side
   3,666.25x = 5,880,849.72
5. Step 5: Solve for x
   x = 5,880,849.72/3,666.25
6. Step 6: Final answer
   x = 1,604.05