Finding the Fourth Proportional to 13,007.94, 17,950.96 and 7,039.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.94 : 17,950.96 = 7,039.61 : x
2. Step 2: Convert to fraction form
   13,007.94/17,950.96 = 7,039.61/x
3. Step 3: Cross multiply
   13,007.94x = 17,950.96 × 7,039.61
4. Step 4: Simplify right side
   13,007.94x = 126,367,833.64
5. Step 5: Solve for x
   x = 126,367,833.64/13,007.94
6. Step 6: Final answer
   x = 9,714.67