Finding the Fourth Proportional to 2,583.86, 3,565.78 and 1,404.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.86 : 3,565.78 = 1,404.99 : x
2. Step 2: Convert to fraction form
   2,583.86/3,565.78 = 1,404.99/x
3. Step 3: Cross multiply
   2,583.86x = 3,565.78 × 1,404.99
4. Step 4: Simplify right side
   2,583.86x = 5,009,881.73
5. Step 5: Solve for x
   x = 5,009,881.73/2,583.86
6. Step 6: Final answer
   x = 1,938.92