Finding the Fourth Proportional to 39,981, 55,173.90 and 22,076.12

Step by Step Solution

1. Step 1: Write the proportion equation
   39,981 : 55,173.90 = 22,076.12 : x
2. Step 2: Convert to fraction form
   39,981/55,173.90 = 22,076.12/x
3. Step 3: Cross multiply
   39,981x = 55,173.90 × 22,076.12
4. Step 4: Simplify right side
   39,981x = 1,218,025,637.27
5. Step 5: Solve for x
   x = 1,218,025,637.27/39,981
6. Step 6: Final answer
   x = 30,465.11