Finding the Fourth Proportional to 13,002.72, 17,943.74 and 7,034.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.72 : 17,943.74 = 7,034.38 : x
2. Step 2: Convert to fraction form
   13,002.72/17,943.74 = 7,034.38/x
3. Step 3: Cross multiply
   13,002.72x = 17,943.74 × 7,034.38
4. Step 4: Simplify right side
   13,002.72x = 126,223,005.75
5. Step 5: Solve for x
   x = 126,223,005.75/13,002.72
6. Step 6: Final answer
   x = 9,707.43