Finding the Fourth Proportional to 55,099.16, 82,615.89 and 21,824

Step by Step Solution

1. Step 1: Write the proportion equation
   55,099.16 : 82,615.89 = 21,824 : x
2. Step 2: Convert to fraction form
   55,099.16/82,615.89 = 21,824/x
3. Step 3: Cross multiply
   55,099.16x = 82,615.89 × 21,824
4. Step 4: Simplify right side
   55,099.16x = 1,803,009,183.36
5. Step 5: Solve for x
   x = 1,803,009,183.36/55,099.16
6. Step 6: Final answer
   x = 32,722.99