Finding the Fourth Proportional to 13,019.59, 17,968.82 and 7,982.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.59 : 17,968.82 = 7,982.92 : x
2. Step 2: Convert to fraction form
   13,019.59/17,968.82 = 7,982.92/x
3. Step 3: Cross multiply
   13,019.59x = 17,968.82 × 7,982.92
4. Step 4: Simplify right side
   13,019.59x = 143,443,652.55
5. Step 5: Solve for x
   x = 143,443,652.55/13,019.59
6. Step 6: Final answer
   x = 11,017.52