Finding the Fourth Proportional to 12,544.25, 17,311.61 and 7,507.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,544.25 : 17,311.61 = 7,507.51 : x
2. Step 2: Convert to fraction form
   12,544.25/17,311.61 = 7,507.51/x
3. Step 3: Cross multiply
   12,544.25x = 17,311.61 × 7,507.51
4. Step 4: Simplify right side
   12,544.25x = 129,967,090.93
5. Step 5: Solve for x
   x = 129,967,090.93/12,544.25
6. Step 6: Final answer
   x = 10,360.69