Finding the Fourth Proportional to 13,019.33, 17,965.77 and 7,352.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.33 : 17,965.77 = 7,352.30 : x
2. Step 2: Convert to fraction form
   13,019.33/17,965.77 = 7,352.30/x
3. Step 3: Cross multiply
   13,019.33x = 17,965.77 × 7,352.30
4. Step 4: Simplify right side
   13,019.33x = 132,089,748.11
5. Step 5: Solve for x
   x = 132,089,748.11/13,019.33
6. Step 6: Final answer
   x = 10,145.66