Finding the Fourth Proportional to 12,735.47, 17,574.49 and 7,070.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.47 : 17,574.49 = 7,070.47 : x
2. Step 2: Convert to fraction form
   12,735.47/17,574.49 = 7,070.47/x
3. Step 3: Cross multiply
   12,735.47x = 17,574.49 × 7,070.47
4. Step 4: Simplify right side
   12,735.47x = 124,259,904.31
5. Step 5: Solve for x
   x = 124,259,904.31/12,735.47
6. Step 6: Final answer
   x = 9,756.99