Finding the Fourth Proportional to 2,153.00, 3,231.12 and 1,725.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.00 : 3,231.12 = 1,725.32 : x
2. Step 2: Convert to fraction form
   2,153.00/3,231.12 = 1,725.32/x
3. Step 3: Cross multiply
   2,153.00x = 3,231.12 × 1,725.32
4. Step 4: Simplify right side
   2,153.00x = 5,574,699.80
5. Step 5: Solve for x
   x = 5,574,699.80/2,153.00
6. Step 6: Final answer
   x = 2,589.28