Finding the Fourth Proportional to 1,782.81, 2,460.34 and 996.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.81 : 2,460.34 = 996.86 : x
2. Step 2: Convert to fraction form
   1,782.81/2,460.34 = 996.86/x
3. Step 3: Cross multiply
   1,782.81x = 2,460.34 × 996.86
4. Step 4: Simplify right side
   1,782.81x = 2,452,605.89
5. Step 5: Solve for x
   x = 2,452,605.89/1,782.81
6. Step 6: Final answer
   x = 1,375.69