Finding the Fourth Proportional to 2,356.86, 3,535.78 and 713.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.86 : 3,535.78 = 713.56 : x
2. Step 2: Convert to fraction form
   2,356.86/3,535.78 = 713.56/x
3. Step 3: Cross multiply
   2,356.86x = 3,535.78 × 713.56
4. Step 4: Simplify right side
   2,356.86x = 2,522,991.18
5. Step 5: Solve for x
   x = 2,522,991.18/2,356.86
6. Step 6: Final answer
   x = 1,070.49