Finding the Fourth Proportional to 2,043.48, 3,064.18 and 1,211.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.48 : 3,064.18 = 1,211.40 : x
2. Step 2: Convert to fraction form
   2,043.48/3,064.18 = 1,211.40/x
3. Step 3: Cross multiply
   2,043.48x = 3,064.18 × 1,211.40
4. Step 4: Simplify right side
   2,043.48x = 3,711,947.65
5. Step 5: Solve for x
   x = 3,711,947.65/2,043.48
6. Step 6: Final answer
   x = 1,816.48