Finding the Fourth Proportional to 1,725.70, 2,584.52 and 1,262.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.70 : 2,584.52 = 1,262.31 : x
2. Step 2: Convert to fraction form
   1,725.70/2,584.52 = 1,262.31/x
3. Step 3: Cross multiply
   1,725.70x = 2,584.52 × 1,262.31
4. Step 4: Simplify right side
   1,725.70x = 3,262,459.13
5. Step 5: Solve for x
   x = 3,262,459.13/1,725.70
6. Step 6: Final answer
   x = 1,890.52