Finding the Fourth Proportional to 71,371.39, 107,056.77 and 21,451.27

Step by Step Solution

1. Step 1: Write the proportion equation
   71,371.39 : 107,056.77 = 21,451.27 : x
2. Step 2: Convert to fraction form
   71,371.39/107,056.77 = 21,451.27/x
3. Step 3: Cross multiply
   71,371.39x = 107,056.77 × 21,451.27
4. Step 4: Simplify right side
   71,371.39x = 2,296,503,678.60
5. Step 5: Solve for x
   x = 2,296,503,678.60/71,371.39
6. Step 6: Final answer
   x = 32,176.81