Finding the Fourth Proportional to 11,601.42, 17,387.22 and 5,271.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,601.42 : 17,387.22 = 5,271.67 : x
2. Step 2: Convert to fraction form
   11,601.42/17,387.22 = 5,271.67/x
3. Step 3: Cross multiply
   11,601.42x = 17,387.22 × 5,271.67
4. Step 4: Simplify right side
   11,601.42x = 91,659,686.06
5. Step 5: Solve for x
   x = 91,659,686.06/11,601.42
6. Step 6: Final answer
   x = 7,900.73