Finding the Fourth Proportional to 12,673.10, 17,488.54 and 7,007.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.10 : 17,488.54 = 7,007.76 : x
2. Step 2: Convert to fraction form
   12,673.10/17,488.54 = 7,007.76/x
3. Step 3: Cross multiply
   12,673.10x = 17,488.54 × 7,007.76
4. Step 4: Simplify right side
   12,673.10x = 122,555,499.83
5. Step 5: Solve for x
   x = 122,555,499.83/12,673.10
6. Step 6: Final answer
   x = 9,670.52