Finding the Fourth Proportional to 40,052.16, 55,271 and 22,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,052.16 : 55,271 = 22,146.72 : x
2. Step 2: Convert to fraction form
   40,052.16/55,271 = 22,146.72/x
3. Step 3: Cross multiply
   40,052.16x = 55,271 × 22,146.72
4. Step 4: Simplify right side
   40,052.16x = 1,224,071,361.12
5. Step 5: Solve for x
   x = 1,224,071,361.12/40,052.16
6. Step 6: Final answer
   x = 30,561.93