Finding the Fourth Proportional to 13,020.83, 17,968.75 and 7,355.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.83 : 17,968.75 = 7,355.59 : x
2. Step 2: Convert to fraction form
   13,020.83/17,968.75 = 7,355.59/x
3. Step 3: Cross multiply
   13,020.83x = 17,968.75 × 7,355.59
4. Step 4: Simplify right side
   13,020.83x = 132,170,836.95
5. Step 5: Solve for x
   x = 132,170,836.95/13,020.83
6. Step 6: Final answer
   x = 10,150.72