Finding the Fourth Proportional to 2,541.58, 3,811.69 and 897.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.58 : 3,811.69 = 897.91 : x
2. Step 2: Convert to fraction form
   2,541.58/3,811.69 = 897.91/x
3. Step 3: Cross multiply
   2,541.58x = 3,811.69 × 897.91
4. Step 4: Simplify right side
   2,541.58x = 3,422,550.08
5. Step 5: Solve for x
   x = 3,422,550.08/2,541.58
6. Step 6: Final answer
   x = 1,346.62