Finding the Fourth Proportional to 9,173.72, 13,733.21 and 9,016.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.72 : 13,733.21 = 9,016.99 : x
2. Step 2: Convert to fraction form
   9,173.72/13,733.21 = 9,016.99/x
3. Step 3: Cross multiply
   9,173.72x = 13,733.21 × 9,016.99
4. Step 4: Simplify right side
   9,173.72x = 123,832,205.45
5. Step 5: Solve for x
   x = 123,832,205.45/9,173.72
6. Step 6: Final answer
   x = 13,498.58