Finding the Fourth Proportional to 72,109.09, 108,173.88 and 22,193.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,109.09 : 108,173.88 = 22,193.34 : x
2. Step 2: Convert to fraction form
   72,109.09/108,173.88 = 22,193.34/x
3. Step 3: Cross multiply
   72,109.09x = 108,173.88 × 22,193.34
4. Step 4: Simplify right side
   72,109.09x = 2,400,739,900.79
5. Step 5: Solve for x
   x = 2,400,739,900.79/72,109.09
6. Step 6: Final answer
   x = 33,293.17