Finding the Fourth Proportional to 1,814.88, 2,729.28 and 1,445.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.88 : 2,729.28 = 1,445.52 : x
2. Step 2: Convert to fraction form
   1,814.88/2,729.28 = 1,445.52/x
3. Step 3: Cross multiply
   1,814.88x = 2,729.28 × 1,445.52
4. Step 4: Simplify right side
   1,814.88x = 3,945,228.83
5. Step 5: Solve for x
   x = 3,945,228.83/1,814.88
6. Step 6: Final answer
   x = 2,173.82