Finding the Fourth Proportional to 4,136.78, 5,707.86 and 3,017.99

Step by Step Solution

1. Step 1: Write the proportion equation
   4,136.78 : 5,707.86 = 3,017.99 : x
2. Step 2: Convert to fraction form
   4,136.78/5,707.86 = 3,017.99/x
3. Step 3: Cross multiply
   4,136.78x = 5,707.86 × 3,017.99
4. Step 4: Simplify right side
   4,136.78x = 17,226,235.86
5. Step 5: Solve for x
   x = 17,226,235.86/4,136.78
6. Step 6: Final answer
   x = 4,164.17