Finding the Fourth Proportional to 12,725.48, 17,561.12 and 7,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,725.48 : 17,561.12 = 7,061.09 : x
2. Step 2: Convert to fraction form
   12,725.48/17,561.12 = 7,061.09/x
3. Step 3: Cross multiply
   12,725.48x = 17,561.12 × 7,061.09
4. Step 4: Simplify right side
   12,725.48x = 124,000,525.71
5. Step 5: Solve for x
   x = 124,000,525.71/12,725.48
6. Step 6: Final answer
   x = 9,744.27