Finding the Fourth Proportional to 13,041.17, 17,996.82 and 7,072.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,041.17 : 17,996.82 = 7,072.81 : x
2. Step 2: Convert to fraction form
   13,041.17/17,996.82 = 7,072.81/x
3. Step 3: Cross multiply
   13,041.17x = 17,996.82 × 7,072.81
4. Step 4: Simplify right side
   13,041.17x = 127,288,088.46
5. Step 5: Solve for x
   x = 127,288,088.46/13,041.17
6. Step 6: Final answer
   x = 9,760.48