Finding the Fourth Proportional to 13,019.98, 17,968.67 and 7,355.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.98 : 17,968.67 = 7,355.76 : x
2. Step 2: Convert to fraction form
   13,019.98/17,968.67 = 7,355.76/x
3. Step 3: Cross multiply
   13,019.98x = 17,968.67 × 7,355.76
4. Step 4: Simplify right side
   13,019.98x = 132,173,262.33
5. Step 5: Solve for x
   x = 132,173,262.33/13,019.98
6. Step 6: Final answer
   x = 10,151.58