Finding the Fourth Proportional to 2,149.53, 3,218.64 and 1,730.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.53 : 3,218.64 = 1,730.82 : x
2. Step 2: Convert to fraction form
   2,149.53/3,218.64 = 1,730.82/x
3. Step 3: Cross multiply
   2,149.53x = 3,218.64 × 1,730.82
4. Step 4: Simplify right side
   2,149.53x = 5,570,886.48
5. Step 5: Solve for x
   x = 5,570,886.48/2,149.53
6. Step 6: Final answer
   x = 2,591.68