Finding the Fourth Proportional to 4,156.67, 5,728.29 and 2,975.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,156.67 : 5,728.29 = 2,975.69 : x
2. Step 2: Convert to fraction form
   4,156.67/5,728.29 = 2,975.69/x
3. Step 3: Cross multiply
   4,156.67x = 5,728.29 × 2,975.69
4. Step 4: Simplify right side
   4,156.67x = 17,045,615.27
5. Step 5: Solve for x
   x = 17,045,615.27/4,156.67
6. Step 6: Final answer
   x = 4,100.79