Finding the Fourth Proportional to 2,583.79, 3,565.64 and 1,404.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.79 : 3,565.64 = 1,404.85 : x
2. Step 2: Convert to fraction form
   2,583.79/3,565.64 = 1,404.85/x
3. Step 3: Cross multiply
   2,583.79x = 3,565.64 × 1,404.85
4. Step 4: Simplify right side
   2,583.79x = 5,009,164.50
5. Step 5: Solve for x
   x = 5,009,164.50/2,583.79
6. Step 6: Final answer
   x = 1,938.69