Finding the Fourth Proportional to 17,546.76, 26,322.72 and 5,857.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,546.76 : 26,322.72 = 5,857.20 : x
2. Step 2: Convert to fraction form
   17,546.76/26,322.72 = 5,857.20/x
3. Step 3: Cross multiply
   17,546.76x = 26,322.72 × 5,857.20
4. Step 4: Simplify right side
   17,546.76x = 154,177,435.58
5. Step 5: Solve for x
   x = 154,177,435.58/17,546.76
6. Step 6: Final answer
   x = 8,786.66