Finding the Fourth Proportional to 72,155.88, 108,244.59 and 22,231.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,155.88 : 108,244.59 = 22,231.80 : x
2. Step 2: Convert to fraction form
   72,155.88/108,244.59 = 22,231.80/x
3. Step 3: Cross multiply
   72,155.88x = 108,244.59 × 22,231.80
4. Step 4: Simplify right side
   72,155.88x = 2,406,472,075.96
5. Step 5: Solve for x
   x = 2,406,472,075.96/72,155.88
6. Step 6: Final answer
   x = 33,351.02