Finding the Fourth Proportional to 4,155.67, 5,726.91 and 2,974.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,155.67 : 5,726.91 = 2,974.69 : x
2. Step 2: Convert to fraction form
   4,155.67/5,726.91 = 2,974.69/x
3. Step 3: Cross multiply
   4,155.67x = 5,726.91 × 2,974.69
4. Step 4: Simplify right side
   4,155.67x = 17,035,781.91
5. Step 5: Solve for x
   x = 17,035,781.91/4,155.67
6. Step 6: Final answer
   x = 4,099.41