Finding the Fourth Proportional to 2,345.50, 3,236.51 and 1,297.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.50 : 3,236.51 = 1,297.42 : x
2. Step 2: Convert to fraction form
   2,345.50/3,236.51 = 1,297.42/x
3. Step 3: Cross multiply
   2,345.50x = 3,236.51 × 1,297.42
4. Step 4: Simplify right side
   2,345.50x = 4,199,112.80
5. Step 5: Solve for x
   x = 4,199,112.80/2,345.50
6. Step 6: Final answer
   x = 1,790.28