Finding the Fourth Proportional to 16,345.76, 22,568.72 and 12,764.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,345.76 : 22,568.72 = 12,764.75 : x
2. Step 2: Convert to fraction form
   16,345.76/22,568.72 = 12,764.75/x
3. Step 3: Cross multiply
   16,345.76x = 22,568.72 × 12,764.75
4. Step 4: Simplify right side
   16,345.76x = 288,084,068.62
5. Step 5: Solve for x
   x = 288,084,068.62/16,345.76
6. Step 6: Final answer
   x = 17,624.39