Finding the Fourth Proportional to 72,309.45, 108,446.69 and 27,907.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,309.45 : 108,446.69 = 27,907.89 : x
2. Step 2: Convert to fraction form
   72,309.45/108,446.69 = 27,907.89/x
3. Step 3: Cross multiply
   72,309.45x = 108,446.69 × 27,907.89
4. Step 4: Simplify right side
   72,309.45x = 3,026,518,155.84
5. Step 5: Solve for x
   x = 3,026,518,155.84/72,309.45
6. Step 6: Final answer
   x = 41,855.08