Finding the Fourth Proportional to 23,329.78, 32,202.16 and 22,139.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,329.78 : 32,202.16 = 22,139.69 : x
2. Step 2: Convert to fraction form
   23,329.78/32,202.16 = 22,139.69/x
3. Step 3: Cross multiply
   23,329.78x = 32,202.16 × 22,139.69
4. Step 4: Simplify right side
   23,329.78x = 712,945,623.37
5. Step 5: Solve for x
   x = 712,945,623.37/23,329.78
6. Step 6: Final answer
   x = 30,559.47