Finding the Fourth Proportional to 12,735.39, 17,574.56 and 7,069.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.39 : 17,574.56 = 7,069.81 : x
2. Step 2: Convert to fraction form
   12,735.39/17,574.56 = 7,069.81/x
3. Step 3: Cross multiply
   12,735.39x = 17,574.56 × 7,069.81
4. Step 4: Simplify right side
   12,735.39x = 124,248,800.03
5. Step 5: Solve for x
   x = 124,248,800.03/12,735.39
6. Step 6: Final answer
   x = 9,756.18