Finding the Fourth Proportional to 2,493.42, 3,440.44 and 1,561.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.42 : 3,440.44 = 1,561.38 : x
2. Step 2: Convert to fraction form
   2,493.42/3,440.44 = 1,561.38/x
3. Step 3: Cross multiply
   2,493.42x = 3,440.44 × 1,561.38
4. Step 4: Simplify right side
   2,493.42x = 5,371,834.21
5. Step 5: Solve for x
   x = 5,371,834.21/2,493.42
6. Step 6: Final answer
   x = 2,154.40