Finding the Fourth Proportional to 2,182.38, 3,010.70 and 1,386.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.38 : 3,010.70 = 1,386.76 : x
2. Step 2: Convert to fraction form
   2,182.38/3,010.70 = 1,386.76/x
3. Step 3: Cross multiply
   2,182.38x = 3,010.70 × 1,386.76
4. Step 4: Simplify right side
   2,182.38x = 4,175,118.33
5. Step 5: Solve for x
   x = 4,175,118.33/2,182.38
6. Step 6: Final answer
   x = 1,913.10