Finding the Fourth Proportional to 13,019.59, 17,966.94 and 7,051.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.59 : 17,966.94 = 7,051.12 : x
2. Step 2: Convert to fraction form
   13,019.59/17,966.94 = 7,051.12/x
3. Step 3: Cross multiply
   13,019.59x = 17,966.94 × 7,051.12
4. Step 4: Simplify right side
   13,019.59x = 126,687,049.97
5. Step 5: Solve for x
   x = 126,687,049.97/13,019.59
6. Step 6: Final answer
   x = 9,730.49