Finding the Fourth Proportional to 16,555.32, 24,818.96 and 7,188.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,555.32 : 24,818.96 = 7,188.24 : x
2. Step 2: Convert to fraction form
   16,555.32/24,818.96 = 7,188.24/x
3. Step 3: Cross multiply
   16,555.32x = 24,818.96 × 7,188.24
4. Step 4: Simplify right side
   16,555.32x = 178,404,641.03
5. Step 5: Solve for x
   x = 178,404,641.03/16,555.32
6. Step 6: Final answer
   x = 10,776.27