Finding the Fourth Proportional to 22,399.88, 30,903.54 and 22,365.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,399.88 : 30,903.54 = 22,365.32 : x
2. Step 2: Convert to fraction form
   22,399.88/30,903.54 = 22,365.32/x
3. Step 3: Cross multiply
   22,399.88x = 30,903.54 × 22,365.32
4. Step 4: Simplify right side
   22,399.88x = 691,167,561.23
5. Step 5: Solve for x
   x = 691,167,561.23/22,399.88
6. Step 6: Final answer
   x = 30,855.86