Finding the Fourth Proportional to 2,528.98, 3,789.81 and 1,069.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.98 : 3,789.81 = 1,069.18 : x
2. Step 2: Convert to fraction form
   2,528.98/3,789.81 = 1,069.18/x
3. Step 3: Cross multiply
   2,528.98x = 3,789.81 × 1,069.18
4. Step 4: Simplify right side
   2,528.98x = 4,051,989.06
5. Step 5: Solve for x
   x = 4,051,989.06/2,528.98
6. Step 6: Final answer
   x = 1,602.22