Finding the Fourth Proportional to 2,345.34, 3,236.52 and 1,297.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.34 : 3,236.52 = 1,297.38 : x
2. Step 2: Convert to fraction form
   2,345.34/3,236.52 = 1,297.38/x
3. Step 3: Cross multiply
   2,345.34x = 3,236.52 × 1,297.38
4. Step 4: Simplify right side
   2,345.34x = 4,198,996.32
5. Step 5: Solve for x
   x = 4,198,996.32/2,345.34
6. Step 6: Final answer
   x = 1,790.36