Finding the Fourth Proportional to 22,796.76, 31,459.68 and 13,365.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,796.76 : 31,459.68 = 13,365.39 : x
2. Step 2: Convert to fraction form
   22,796.76/31,459.68 = 13,365.39/x
3. Step 3: Cross multiply
   22,796.76x = 31,459.68 × 13,365.39
4. Step 4: Simplify right side
   22,796.76x = 420,470,892.48
5. Step 5: Solve for x
   x = 420,470,892.48/22,796.76
6. Step 6: Final answer
   x = 18,444.33