Finding the Fourth Proportional to 2,562.59, 3,533.06 and 1,678.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.59 : 3,533.06 = 1,678.07 : x
2. Step 2: Convert to fraction form
   2,562.59/3,533.06 = 1,678.07/x
3. Step 3: Cross multiply
   2,562.59x = 3,533.06 × 1,678.07
4. Step 4: Simplify right side
   2,562.59x = 5,928,708.52
5. Step 5: Solve for x
   x = 5,928,708.52/2,562.59
6. Step 6: Final answer
   x = 2,313.57