Finding the Fourth Proportional to 71,496.18, 107,245.03 and 21,576.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,496.18 : 107,245.03 = 21,576.72 : x
2. Step 2: Convert to fraction form
   71,496.18/107,245.03 = 21,576.72/x
3. Step 3: Cross multiply
   71,496.18x = 107,245.03 × 21,576.72
4. Step 4: Simplify right side
   71,496.18x = 2,313,996,144.73
5. Step 5: Solve for x
   x = 2,313,996,144.73/71,496.18
6. Step 6: Final answer
   x = 32,365.31