Finding the Fourth Proportional to 2,152.34, 3,215.43 and 1,366.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.34 : 3,215.43 = 1,366.03 : x
2. Step 2: Convert to fraction form
   2,152.34/3,215.43 = 1,366.03/x
3. Step 3: Cross multiply
   2,152.34x = 3,215.43 × 1,366.03
4. Step 4: Simplify right side
   2,152.34x = 4,392,377.86
5. Step 5: Solve for x
   x = 4,392,377.86/2,152.34
6. Step 6: Final answer
   x = 2,040.75