Finding the Fourth Proportional to 17,754.64, 26,627.38 and 5,271.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,754.64 : 26,627.38 = 5,271.72 : x
2. Step 2: Convert to fraction form
   17,754.64/26,627.38 = 5,271.72/x
3. Step 3: Cross multiply
   17,754.64x = 26,627.38 × 5,271.72
4. Step 4: Simplify right side
   17,754.64x = 140,372,091.69
5. Step 5: Solve for x
   x = 140,372,091.69/17,754.64
6. Step 6: Final answer
   x = 7,906.22