Finding the Fourth Proportional to 2,361.48, 3,541.72 and 900.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.48 : 3,541.72 = 900.12 : x
2. Step 2: Convert to fraction form
   2,361.48/3,541.72 = 900.12/x
3. Step 3: Cross multiply
   2,361.48x = 3,541.72 × 900.12
4. Step 4: Simplify right side
   2,361.48x = 3,187,973.01
5. Step 5: Solve for x
   x = 3,187,973.01/2,361.48
6. Step 6: Final answer
   x = 1,349.99