Finding the Fourth Proportional to 12,735.72, 17,573.25 and 7,284.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.72 : 17,573.25 = 7,284.69 : x
2. Step 2: Convert to fraction form
   12,735.72/17,573.25 = 7,284.69/x
3. Step 3: Cross multiply
   12,735.72x = 17,573.25 × 7,284.69
4. Step 4: Simplify right side
   12,735.72x = 128,015,678.54
5. Step 5: Solve for x
   x = 128,015,678.54/12,735.72
6. Step 6: Final answer
   x = 10,051.70