Finding the Fourth Proportional to 1,804.17, 2,489.27 and 1,140.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.17 : 2,489.27 = 1,140.69 : x
2. Step 2: Convert to fraction form
   1,804.17/2,489.27 = 1,140.69/x
3. Step 3: Cross multiply
   1,804.17x = 2,489.27 × 1,140.69
4. Step 4: Simplify right side
   1,804.17x = 2,839,479.69
5. Step 5: Solve for x
   x = 2,839,479.69/1,804.17
6. Step 6: Final answer
   x = 1,573.84