Finding the Fourth Proportional to 2,384.65, 3,577.72 and 1,069.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.65 : 3,577.72 = 1,069.51 : x
2. Step 2: Convert to fraction form
   2,384.65/3,577.72 = 1,069.51/x
3. Step 3: Cross multiply
   2,384.65x = 3,577.72 × 1,069.51
4. Step 4: Simplify right side
   2,384.65x = 3,826,389.43
5. Step 5: Solve for x
   x = 3,826,389.43/2,384.65
6. Step 6: Final answer
   x = 1,604.59