Finding the Fourth Proportional to 17,443.72, 26,166.18 and 6,915.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.72 : 26,166.18 = 6,915.73 : x
2. Step 2: Convert to fraction form
   17,443.72/26,166.18 = 6,915.73/x
3. Step 3: Cross multiply
   17,443.72x = 26,166.18 × 6,915.73
4. Step 4: Simplify right side
   17,443.72x = 180,958,236.01
5. Step 5: Solve for x
   x = 180,958,236.01/17,443.72
6. Step 6: Final answer
   x = 10,373.83