Finding the Fourth Proportional to 1,886.56, 2,593.04 and 1,664.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.56 : 2,593.04 = 1,664.24 : x
2. Step 2: Convert to fraction form
   1,886.56/2,593.04 = 1,664.24/x
3. Step 3: Cross multiply
   1,886.56x = 2,593.04 × 1,664.24
4. Step 4: Simplify right side
   1,886.56x = 4,315,440.89
5. Step 5: Solve for x
   x = 4,315,440.89/1,886.56
6. Step 6: Final answer
   x = 2,287.47