Finding the Fourth Proportional to 1,818.86, 2,725.43 and 1,453.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.86 : 2,725.43 = 1,453.55 : x
2. Step 2: Convert to fraction form
   1,818.86/2,725.43 = 1,453.55/x
3. Step 3: Cross multiply
   1,818.86x = 2,725.43 × 1,453.55
4. Step 4: Simplify right side
   1,818.86x = 3,961,527.88
5. Step 5: Solve for x
   x = 3,961,527.88/1,818.86
6. Step 6: Final answer
   x = 2,178.03