Finding the Fourth Proportional to 21,802.08, 30,103.76 and 16,758.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,802.08 : 30,103.76 = 16,758.32 : x
2. Step 2: Convert to fraction form
   21,802.08/30,103.76 = 16,758.32/x
3. Step 3: Cross multiply
   21,802.08x = 30,103.76 × 16,758.32
4. Step 4: Simplify right side
   21,802.08x = 504,488,443.28
5. Step 5: Solve for x
   x = 504,488,443.28/21,802.08
6. Step 6: Final answer
   x = 23,139.46