Finding the Fourth Proportional to 2,362.71, 3,542.69 and 1,386.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.71 : 3,542.69 = 1,386.75 : x
2. Step 2: Convert to fraction form
   2,362.71/3,542.69 = 1,386.75/x
3. Step 3: Cross multiply
   2,362.71x = 3,542.69 × 1,386.75
4. Step 4: Simplify right side
   2,362.71x = 4,912,818.42
5. Step 5: Solve for x
   x = 4,912,818.42/2,362.71
6. Step 6: Final answer
   x = 2,079.32