Finding the Fourth Proportional to 13,019.39, 17,966.75 and 7,051.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.39 : 17,966.75 = 7,051.05 : x
2. Step 2: Convert to fraction form
   13,019.39/17,966.75 = 7,051.05/x
3. Step 3: Cross multiply
   13,019.39x = 17,966.75 × 7,051.05
4. Step 4: Simplify right side
   13,019.39x = 126,684,417.33
5. Step 5: Solve for x
   x = 126,684,417.33/13,019.39
6. Step 6: Final answer
   x = 9,730.45