Finding the Fourth Proportional to 39,981.56, 55,174.55 and 22,076.60

Step by Step Solution

1. Step 1: Write the proportion equation
   39,981.56 : 55,174.55 = 22,076.60 : x
2. Step 2: Convert to fraction form
   39,981.56/55,174.55 = 22,076.60/x
3. Step 3: Cross multiply
   39,981.56x = 55,174.55 × 22,076.60
4. Step 4: Simplify right side
   39,981.56x = 1,218,066,084.27
5. Step 5: Solve for x
   x = 1,218,066,084.27/39,981.56
6. Step 6: Final answer
   x = 30,465.70