Finding the Fourth Proportional to 22,013.15, 33,023.16 and 7,971.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,013.15 : 33,023.16 = 7,971.71 : x
2. Step 2: Convert to fraction form
   22,013.15/33,023.16 = 7,971.71/x
3. Step 3: Cross multiply
   22,013.15x = 33,023.16 × 7,971.71
4. Step 4: Simplify right side
   22,013.15x = 263,250,889.69
5. Step 5: Solve for x
   x = 263,250,889.69/22,013.15
6. Step 6: Final answer
   x = 11,958.80