Finding the Fourth Proportional to 11,699.72, 17,529.78 and 7,073

Step by Step Solution

1. Step 1: Write the proportion equation
   11,699.72 : 17,529.78 = 7,073 : x
2. Step 2: Convert to fraction form
   11,699.72/17,529.78 = 7,073/x
3. Step 3: Cross multiply
   11,699.72x = 17,529.78 × 7,073
4. Step 4: Simplify right side
   11,699.72x = 123,988,133.94
5. Step 5: Solve for x
   x = 123,988,133.94/11,699.72
6. Step 6: Final answer
   x = 10,597.53