Finding the Fourth Proportional to 2,003.86, 2,762.79 and 1,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.86 : 2,762.79 = 1,294.50 : x
2. Step 2: Convert to fraction form
   2,003.86/2,762.79 = 1,294.50/x
3. Step 3: Cross multiply
   2,003.86x = 2,762.79 × 1,294.50
4. Step 4: Simplify right side
   2,003.86x = 3,576,431.66
5. Step 5: Solve for x
   x = 3,576,431.66/2,003.86
6. Step 6: Final answer
   x = 1,784.78