Finding the Fourth Proportional to 72,188.25, 108,240.82 and 27,809.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72,188.25 : 108,240.82 = 27,809.23 : x
2. Step 2: Convert to fraction form
   72,188.25/108,240.82 = 27,809.23/x
3. Step 3: Cross multiply
   72,188.25x = 108,240.82 × 27,809.23
4. Step 4: Simplify right side
   72,188.25x = 3,010,093,719.72
5. Step 5: Solve for x
   x = 3,010,093,719.72/72,188.25
6. Step 6: Final answer
   x = 41,697.83