Finding the Fourth Proportional to 72,111.99, 108,178.24 and 22,196.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,111.99 : 108,178.24 = 22,196.25 : x
2. Step 2: Convert to fraction form
   72,111.99/108,178.24 = 22,196.25/x
3. Step 3: Cross multiply
   72,111.99x = 108,178.24 × 22,196.25
4. Step 4: Simplify right side
   72,111.99x = 2,401,151,204.11
5. Step 5: Solve for x
   x = 2,401,151,204.11/72,111.99
6. Step 6: Final answer
   x = 33,297.53