Finding the Fourth Proportional to 2,562.59, 3,843.47 and 713.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.59 : 3,843.47 = 713.90 : x
2. Step 2: Convert to fraction form
   2,562.59/3,843.47 = 713.90/x
3. Step 3: Cross multiply
   2,562.59x = 3,843.47 × 713.90
4. Step 4: Simplify right side
   2,562.59x = 2,743,830.45
5. Step 5: Solve for x
   x = 2,743,830.45/2,562.59
6. Step 6: Final answer
   x = 1,070.72