Finding the Fourth Proportional to 1,725.89, 2,582.61 and 1,485.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.89 : 2,582.61 = 1,485.32 : x
2. Step 2: Convert to fraction form
   1,725.89/2,582.61 = 1,485.32/x
3. Step 3: Cross multiply
   1,725.89x = 2,582.61 × 1,485.32
4. Step 4: Simplify right side
   1,725.89x = 3,836,002.29
5. Step 5: Solve for x
   x = 3,836,002.29/1,725.89
6. Step 6: Final answer
   x = 2,222.62