Finding the Fourth Proportional to 12,735.24, 17,574.74 and 7,070.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.24 : 17,574.74 = 7,070.12 : x
2. Step 2: Convert to fraction form
   12,735.24/17,574.74 = 7,070.12/x
3. Step 3: Cross multiply
   12,735.24x = 17,574.74 × 7,070.12
4. Step 4: Simplify right side
   12,735.24x = 124,255,520.77
5. Step 5: Solve for x
   x = 124,255,520.77/12,735.24
6. Step 6: Final answer
   x = 9,756.83