Finding the Fourth Proportional to 22,467.92, 31,003.64 and 21,713

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.92 : 31,003.64 = 21,713 : x
2. Step 2: Convert to fraction form
   22,467.92/31,003.64 = 21,713/x
3. Step 3: Cross multiply
   22,467.92x = 31,003.64 × 21,713
4. Step 4: Simplify right side
   22,467.92x = 673,182,035.32
5. Step 5: Solve for x
   x = 673,182,035.32/22,467.92
6. Step 6: Final answer
   x = 29,961.92