Finding the Fourth Proportional to 3,666.52, 5,500.79 and 1,069.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.52 : 5,500.79 = 1,069.45 : x
2. Step 2: Convert to fraction form
   3,666.52/5,500.79 = 1,069.45/x
3. Step 3: Cross multiply
   3,666.52x = 5,500.79 × 1,069.45
4. Step 4: Simplify right side
   3,666.52x = 5,882,832.71
5. Step 5: Solve for x
   x = 5,882,832.71/3,666.52
6. Step 6: Final answer
   x = 1,604.48