Finding the Fourth Proportional to 39,080.94, 53,928.42 and 22,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,080.94 : 53,928.42 = 22,086.72 : x
2. Step 2: Convert to fraction form
   39,080.94/53,928.42 = 22,086.72/x
3. Step 3: Cross multiply
   39,080.94x = 53,928.42 × 22,086.72
4. Step 4: Simplify right side
   39,080.94x = 1,191,101,912.58
5. Step 5: Solve for x
   x = 1,191,101,912.58/39,080.94
6. Step 6: Final answer
   x = 30,477.82