Finding the Fourth Proportional to 12,730.10, 17,567.55 and 7,064.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730.10 : 17,567.55 = 7,064.69 : x
2. Step 2: Convert to fraction form
   12,730.10/17,567.55 = 7,064.69/x
3. Step 3: Cross multiply
   12,730.10x = 17,567.55 × 7,064.69
4. Step 4: Simplify right side
   12,730.10x = 124,109,206.97
5. Step 5: Solve for x
   x = 124,109,206.97/12,730.10
6. Step 6: Final answer
   x = 9,749.28