Finding the Fourth Proportional to 13,019.13, 17,966.37 and 7,050.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.13 : 17,966.37 = 7,050.78 : x
2. Step 2: Convert to fraction form
   13,019.13/17,966.37 = 7,050.78/x
3. Step 3: Cross multiply
   13,019.13x = 17,966.37 × 7,050.78
4. Step 4: Simplify right side
   13,019.13x = 126,676,948.71
5. Step 5: Solve for x
   x = 126,676,948.71/13,019.13
6. Step 6: Final answer
   x = 9,730.06