Finding the Fourth Proportional to 11,499.94, 17,271.78 and 7,147.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.94 : 17,271.78 = 7,147.82 : x
2. Step 2: Convert to fraction form
   11,499.94/17,271.78 = 7,147.82/x
3. Step 3: Cross multiply
   11,499.94x = 17,271.78 × 7,147.82
4. Step 4: Simplify right side
   11,499.94x = 123,455,574.52
5. Step 5: Solve for x
   x = 123,455,574.52/11,499.94
6. Step 6: Final answer
   x = 10,735.32