Finding the Fourth Proportional to 2,583.48, 3,565.20 and 1,404.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.48 : 3,565.20 = 1,404.57 : x
2. Step 2: Convert to fraction form
   2,583.48/3,565.20 = 1,404.57/x
3. Step 3: Cross multiply
   2,583.48x = 3,565.20 × 1,404.57
4. Step 4: Simplify right side
   2,583.48x = 5,007,572.96
5. Step 5: Solve for x
   x = 5,007,572.96/2,583.48
6. Step 6: Final answer
   x = 1,938.31