Finding the Fourth Proportional to 22,798.76, 31,462.49 and 13,109.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,798.76 : 31,462.49 = 13,109.67 : x
2. Step 2: Convert to fraction form
   22,798.76/31,462.49 = 13,109.67/x
3. Step 3: Cross multiply
   22,798.76x = 31,462.49 × 13,109.67
4. Step 4: Simplify right side
   22,798.76x = 412,462,894.05
5. Step 5: Solve for x
   x = 412,462,894.05/22,798.76
6. Step 6: Final answer
   x = 18,091.47