Finding the Fourth Proportional to 2,014.86, 3,021.32 and 1,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.86 : 3,021.32 = 1,321.50 : x
2. Step 2: Convert to fraction form
   2,014.86/3,021.32 = 1,321.50/x
3. Step 3: Cross multiply
   2,014.86x = 3,021.32 × 1,321.50
4. Step 4: Simplify right side
   2,014.86x = 3,992,674.38
5. Step 5: Solve for x
   x = 3,992,674.38/2,014.86
6. Step 6: Final answer
   x = 1,981.61