Finding the Fourth Proportional to 16,353.72, 22,590.90 and 15,746.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,353.72 : 22,590.90 = 15,746.82 : x
2. Step 2: Convert to fraction form
   16,353.72/22,590.90 = 15,746.82/x
3. Step 3: Cross multiply
   16,353.72x = 22,590.90 × 15,746.82
4. Step 4: Simplify right side
   16,353.72x = 355,734,835.94
5. Step 5: Solve for x
   x = 355,734,835.94/16,353.72
6. Step 6: Final answer
   x = 21,752.53