Finding the Fourth Proportional to 31,682.84, 43,714.89 and 21,632.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,682.84 : 43,714.89 = 21,632.21 : x
2. Step 2: Convert to fraction form
   31,682.84/43,714.89 = 21,632.21/x
3. Step 3: Cross multiply
   31,682.84x = 43,714.89 × 21,632.21
4. Step 4: Simplify right side
   31,682.84x = 945,649,680.61
5. Step 5: Solve for x
   x = 945,649,680.61/31,682.84
6. Step 6: Final answer
   x = 29,847.38