Finding the Fourth Proportional to 2,180.82, 3,010.47 and 1,395.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.82 : 3,010.47 = 1,395.93 : x
2. Step 2: Convert to fraction form
   2,180.82/3,010.47 = 1,395.93/x
3. Step 3: Cross multiply
   2,180.82x = 3,010.47 × 1,395.93
4. Step 4: Simplify right side
   2,180.82x = 4,202,405.39
5. Step 5: Solve for x
   x = 4,202,405.39/2,180.82
6. Step 6: Final answer
   x = 1,926.98