Finding the Fourth Proportional to 2,583.91, 3,565.78 and 1,404.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.91 : 3,565.78 = 1,404.98 : x
2. Step 2: Convert to fraction form
   2,583.91/3,565.78 = 1,404.98/x
3. Step 3: Cross multiply
   2,583.91x = 3,565.78 × 1,404.98
4. Step 4: Simplify right side
   2,583.91x = 5,009,839.64
5. Step 5: Solve for x
   x = 5,009,839.64/2,583.91
6. Step 6: Final answer
   x = 1,938.86