Finding the Fourth Proportional to 1,698.00, 2,544.24 and 1,005.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698.00 : 2,544.24 = 1,005.31 : x
2. Step 2: Convert to fraction form
   1,698.00/2,544.24 = 1,005.31/x
3. Step 3: Cross multiply
   1,698.00x = 2,544.24 × 1,005.31
4. Step 4: Simplify right side
   1,698.00x = 2,557,756.86
5. Step 5: Solve for x
   x = 2,557,756.86/1,698.00
6. Step 6: Final answer
   x = 1,506.34