Finding the Fourth Proportional to 3,809.31, 5,710.52 and 1,343.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809.31 : 5,710.52 = 1,343.69 : x
2. Step 2: Convert to fraction form
   3,809.31/5,710.52 = 1,343.69/x
3. Step 3: Cross multiply
   3,809.31x = 5,710.52 × 1,343.69
4. Step 4: Simplify right side
   3,809.31x = 7,673,140.07
5. Step 5: Solve for x
   x = 7,673,140.07/3,809.31
6. Step 6: Final answer
   x = 2,014.31