Finding the Fourth Proportional to 2,458.86, 3,685.56 and 897.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.86 : 3,685.56 = 897.59 : x
2. Step 2: Convert to fraction form
   2,458.86/3,685.56 = 897.59/x
3. Step 3: Cross multiply
   2,458.86x = 3,685.56 × 897.59
4. Step 4: Simplify right side
   2,458.86x = 3,308,103.37
5. Step 5: Solve for x
   x = 3,308,103.37/2,458.86
6. Step 6: Final answer
   x = 1,345.38