Finding the Fourth Proportional to 39,912.53, 55,081.74 and 22,007.48

Step by Step Solution

1. Step 1: Write the proportion equation
   39,912.53 : 55,081.74 = 22,007.48 : x
2. Step 2: Convert to fraction form
   39,912.53/55,081.74 = 22,007.48/x
3. Step 3: Cross multiply
   39,912.53x = 55,081.74 × 22,007.48
4. Step 4: Simplify right side
   39,912.53x = 1,212,210,016.01
5. Step 5: Solve for x
   x = 1,212,210,016.01/39,912.53
6. Step 6: Final answer
   x = 30,371.67