Finding the Fourth Proportional to 3,040.86, 4,196.17 and 1,781.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,040.86 : 4,196.17 = 1,781.72 : x
2. Step 2: Convert to fraction form
   3,040.86/4,196.17 = 1,781.72/x
3. Step 3: Cross multiply
   3,040.86x = 4,196.17 × 1,781.72
4. Step 4: Simplify right side
   3,040.86x = 7,476,400.01
5. Step 5: Solve for x
   x = 7,476,400.01/3,040.86
6. Step 6: Final answer
   x = 2,458.65