Finding the Fourth Proportional to 2,708.47, 4,062.52 and 1,065.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,708.47 : 4,062.52 = 1,065.30 : x
2. Step 2: Convert to fraction form
   2,708.47/4,062.52 = 1,065.30/x
3. Step 3: Cross multiply
   2,708.47x = 4,062.52 × 1,065.30
4. Step 4: Simplify right side
   2,708.47x = 4,327,802.56
5. Step 5: Solve for x
   x = 4,327,802.56/2,708.47
6. Step 6: Final answer
   x = 1,597.88