Finding the Fourth Proportional to 1,801.56, 2,485.93 and 1,004.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.56 : 2,485.93 = 1,004.69 : x
2. Step 2: Convert to fraction form
   1,801.56/2,485.93 = 1,004.69/x
3. Step 3: Cross multiply
   1,801.56x = 2,485.93 × 1,004.69
4. Step 4: Simplify right side
   1,801.56x = 2,497,589.01
5. Step 5: Solve for x
   x = 2,497,589.01/1,801.56
6. Step 6: Final answer
   x = 1,386.35