Finding the Fourth Proportional to 2,541.35, 3,813.54 and 899.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.35 : 3,813.54 = 899.05 : x
2. Step 2: Convert to fraction form
   2,541.35/3,813.54 = 899.05/x
3. Step 3: Cross multiply
   2,541.35x = 3,813.54 × 899.05
4. Step 4: Simplify right side
   2,541.35x = 3,428,563.14
5. Step 5: Solve for x
   x = 3,428,563.14/2,541.35
6. Step 6: Final answer
   x = 1,349.11