Finding the Fourth Proportional to 2,041.50, 2,817.51 and 1,213.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.50 : 2,817.51 = 1,213.50 : x
2. Step 2: Convert to fraction form
   2,041.50/2,817.51 = 1,213.50/x
3. Step 3: Cross multiply
   2,041.50x = 2,817.51 × 1,213.50
4. Step 4: Simplify right side
   2,041.50x = 3,419,048.39
5. Step 5: Solve for x
   x = 3,419,048.39/2,041.50
6. Step 6: Final answer
   x = 1,674.77