Finding the Fourth Proportional to 13,019.74, 17,967.17 and 7,051.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.74 : 17,967.17 = 7,051.43 : x
2. Step 2: Convert to fraction form
   13,019.74/17,967.17 = 7,051.43/x
3. Step 3: Cross multiply
   13,019.74x = 17,967.17 × 7,051.43
4. Step 4: Simplify right side
   13,019.74x = 126,694,304.10
5. Step 5: Solve for x
   x = 126,694,304.10/13,019.74
6. Step 6: Final answer
   x = 9,730.94