Finding the Fourth Proportional to 22,046.64, 30,429.15 and 13,556.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,046.64 : 30,429.15 = 13,556.04 : x
2. Step 2: Convert to fraction form
   22,046.64/30,429.15 = 13,556.04/x
3. Step 3: Cross multiply
   22,046.64x = 30,429.15 × 13,556.04
4. Step 4: Simplify right side
   22,046.64x = 412,498,774.57
5. Step 5: Solve for x
   x = 412,498,774.57/22,046.64
6. Step 6: Final answer
   x = 18,710.28