Finding the Fourth Proportional to 39,995.47, 55,189.03 and 22,089.41

Step by Step Solution

1. Step 1: Write the proportion equation
   39,995.47 : 55,189.03 = 22,089.41 : x
2. Step 2: Convert to fraction form
   39,995.47/55,189.03 = 22,089.41/x
3. Step 3: Cross multiply
   39,995.47x = 55,189.03 × 22,089.41
4. Step 4: Simplify right side
   39,995.47x = 1,219,093,111.17
5. Step 5: Solve for x
   x = 1,219,093,111.17/39,995.47
6. Step 6: Final answer
   x = 30,480.78