Finding the Fourth Proportional to 22,085.64, 33,139.09 and 10,993.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.64 : 33,139.09 = 10,993.30 : x
2. Step 2: Convert to fraction form
   22,085.64/33,139.09 = 10,993.30/x
3. Step 3: Cross multiply
   22,085.64x = 33,139.09 × 10,993.30
4. Step 4: Simplify right side
   22,085.64x = 364,307,958.10
5. Step 5: Solve for x
   x = 364,307,958.10/22,085.64
6. Step 6: Final answer
   x = 16,495.24