Finding the Fourth Proportional to 43,719, 65,561.22 and 21,516.12

Step by Step Solution

1. Step 1: Write the proportion equation
   43,719 : 65,561.22 = 21,516.12 : x
2. Step 2: Convert to fraction form
   43,719/65,561.22 = 21,516.12/x
3. Step 3: Cross multiply
   43,719x = 65,561.22 × 21,516.12
4. Step 4: Simplify right side
   43,719x = 1,410,623,076.87
5. Step 5: Solve for x
   x = 1,410,623,076.87/43,719
6. Step 6: Final answer
   x = 32,265.68