Finding the Fourth Proportional to 13,013.34, 17,958.41 and 7,045.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,013.34 : 17,958.41 = 7,045.06 : x
2. Step 2: Convert to fraction form
   13,013.34/17,958.41 = 7,045.06/x
3. Step 3: Cross multiply
   13,013.34x = 17,958.41 × 7,045.06
4. Step 4: Simplify right side
   13,013.34x = 126,517,950.94
5. Step 5: Solve for x
   x = 126,517,950.94/13,013.34
6. Step 6: Final answer
   x = 9,722.17