Finding the Fourth Proportional to 2,541.12, 3,810.72 and 897.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.12 : 3,810.72 = 897.36 : x
2. Step 2: Convert to fraction form
   2,541.12/3,810.72 = 897.36/x
3. Step 3: Cross multiply
   2,541.12x = 3,810.72 × 897.36
4. Step 4: Simplify right side
   2,541.12x = 3,419,587.70
5. Step 5: Solve for x
   x = 3,419,587.70/2,541.12
6. Step 6: Final answer
   x = 1,345.70