Finding the Fourth Proportional to 2,378.18, 3,567.56 and 897.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.18 : 3,567.56 = 897.23 : x
2. Step 2: Convert to fraction form
   2,378.18/3,567.56 = 897.23/x
3. Step 3: Cross multiply
   2,378.18x = 3,567.56 × 897.23
4. Step 4: Simplify right side
   2,378.18x = 3,200,926.29
5. Step 5: Solve for x
   x = 3,200,926.29/2,378.18
6. Step 6: Final answer
   x = 1,345.95