Finding the Fourth Proportional to 11,672.72, 17,489.28 and 7,046

Step by Step Solution

1. Step 1: Write the proportion equation
   11,672.72 : 17,489.28 = 7,046 : x
2. Step 2: Convert to fraction form
   11,672.72/17,489.28 = 7,046/x
3. Step 3: Cross multiply
   11,672.72x = 17,489.28 × 7,046
4. Step 4: Simplify right side
   11,672.72x = 123,229,466.88
5. Step 5: Solve for x
   x = 123,229,466.88/11,672.72
6. Step 6: Final answer
   x = 10,557.05