Finding the Fourth Proportional to 22,271.69, 30,713.73 and 13,317.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.69 : 30,713.73 = 13,317.77 : x
2. Step 2: Convert to fraction form
   22,271.69/30,713.73 = 13,317.77/x
3. Step 3: Cross multiply
   22,271.69x = 30,713.73 × 13,317.77
4. Step 4: Simplify right side
   22,271.69x = 409,038,391.98
5. Step 5: Solve for x
   x = 409,038,391.98/22,271.69
6. Step 6: Final answer
   x = 18,365.84