Finding the Fourth Proportional to 2,582.72, 3,564.15 and 1,403.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.72 : 3,564.15 = 1,403.81 : x
2. Step 2: Convert to fraction form
   2,582.72/3,564.15 = 1,403.81/x
3. Step 3: Cross multiply
   2,582.72x = 3,564.15 × 1,403.81
4. Step 4: Simplify right side
   2,582.72x = 5,003,407.64
5. Step 5: Solve for x
   x = 5,003,407.64/2,582.72
6. Step 6: Final answer
   x = 1,937.26