Finding the Fourth Proportional to 2,148.18, 2,966.82 and 1,729.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.18 : 2,966.82 = 1,729.92 : x
2. Step 2: Convert to fraction form
   2,148.18/2,966.82 = 1,729.92/x
3. Step 3: Cross multiply
   2,148.18x = 2,966.82 × 1,729.92
4. Step 4: Simplify right side
   2,148.18x = 5,132,361.25
5. Step 5: Solve for x
   x = 5,132,361.25/2,148.18
6. Step 6: Final answer
   x = 2,389.17