Finding the Fourth Proportional to 22,301.77, 30,777.83 and 12,365.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,301.77 : 30,777.83 = 12,365.77 : x
2. Step 2: Convert to fraction form
   22,301.77/30,777.83 = 12,365.77/x
3. Step 3: Cross multiply
   22,301.77x = 30,777.83 × 12,365.77
4. Step 4: Simplify right side
   22,301.77x = 380,591,505.05
5. Step 5: Solve for x
   x = 380,591,505.05/22,301.77
6. Step 6: Final answer
   x = 17,065.53