Finding the Fourth Proportional to 13,013.34, 17,958.42 and 7,045.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,013.34 : 17,958.42 = 7,045.02 : x
2. Step 2: Convert to fraction form
   13,013.34/17,958.42 = 7,045.02/x
3. Step 3: Cross multiply
   13,013.34x = 17,958.42 × 7,045.02
4. Step 4: Simplify right side
   13,013.34x = 126,517,428.07
5. Step 5: Solve for x
   x = 126,517,428.07/13,013.34
6. Step 6: Final answer
   x = 9,722.13