Finding the Fourth Proportional to 13,019.85, 17,967.29 and 7,051.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.85 : 17,967.29 = 7,051.38 : x
2. Step 2: Convert to fraction form
   13,019.85/17,967.29 = 7,051.38/x
3. Step 3: Cross multiply
   13,019.85x = 17,967.29 × 7,051.38
4. Step 4: Simplify right side
   13,019.85x = 126,694,064.27
5. Step 5: Solve for x
   x = 126,694,064.27/13,019.85
6. Step 6: Final answer
   x = 9,730.84