Finding the Fourth Proportional to 2,582.76, 3,564.21 and 1,403.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.76 : 3,564.21 = 1,403.83 : x
2. Step 2: Convert to fraction form
   2,582.76/3,564.21 = 1,403.83/x
3. Step 3: Cross multiply
   2,582.76x = 3,564.21 × 1,403.83
4. Step 4: Simplify right side
   2,582.76x = 5,003,541.28
5. Step 5: Solve for x
   x = 5,003,541.28/2,582.76
6. Step 6: Final answer
   x = 1,937.28