Finding the Fourth Proportional to 1,764.42, 2,433.69 and 1,297.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.42 : 2,433.69 = 1,297.86 : x
2. Step 2: Convert to fraction form
   1,764.42/2,433.69 = 1,297.86/x
3. Step 3: Cross multiply
   1,764.42x = 2,433.69 × 1,297.86
4. Step 4: Simplify right side
   1,764.42x = 3,158,588.90
5. Step 5: Solve for x
   x = 3,158,588.90/1,764.42
6. Step 6: Final answer
   x = 1,790.16