Finding the Fourth Proportional to 2,019.86, 2,786.91 and 1,233.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.86 : 2,786.91 = 1,233.62 : x
2. Step 2: Convert to fraction form
   2,019.86/2,786.91 = 1,233.62/x
3. Step 3: Cross multiply
   2,019.86x = 2,786.91 × 1,233.62
4. Step 4: Simplify right side
   2,019.86x = 3,437,987.91
5. Step 5: Solve for x
   x = 3,437,987.91/2,019.86
6. Step 6: Final answer
   x = 1,702.09