Finding the Fourth Proportional to 8,726.67, 13,093.50 and 3,180.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.67 : 13,093.50 = 3,180.42 : x
2. Step 2: Convert to fraction form
   8,726.67/13,093.50 = 3,180.42/x
3. Step 3: Cross multiply
   8,726.67x = 13,093.50 × 3,180.42
4. Step 4: Simplify right side
   8,726.67x = 41,642,829.27
5. Step 5: Solve for x
   x = 41,642,829.27/8,726.67
6. Step 6: Final answer
   x = 4,771.90