Finding the Fourth Proportional to 13,007.52, 17,950.43 and 7,039.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.52 : 17,950.43 = 7,039.19 : x
2. Step 2: Convert to fraction form
   13,007.52/17,950.43 = 7,039.19/x
3. Step 3: Cross multiply
   13,007.52x = 17,950.43 × 7,039.19
4. Step 4: Simplify right side
   13,007.52x = 126,356,429.72
5. Step 5: Solve for x
   x = 126,356,429.72/13,007.52
6. Step 6: Final answer
   x = 9,714.11