Finding the Fourth Proportional to 13,019.39, 17,966.77 and 7,051.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.39 : 17,966.77 = 7,051.10 : x
2. Step 2: Convert to fraction form
   13,019.39/17,966.77 = 7,051.10/x
3. Step 3: Cross multiply
   13,019.39x = 17,966.77 × 7,051.10
4. Step 4: Simplify right side
   13,019.39x = 126,685,519.24
5. Step 5: Solve for x
   x = 126,685,519.24/13,019.39
6. Step 6: Final answer
   x = 9,730.53