Finding the Fourth Proportional to 13,028.98, 17,978.92 and 7,364.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.98 : 17,978.92 = 7,364.22 : x
2. Step 2: Convert to fraction form
   13,028.98/17,978.92 = 7,364.22/x
3. Step 3: Cross multiply
   13,028.98x = 17,978.92 × 7,364.22
4. Step 4: Simplify right side
   13,028.98x = 132,400,722.24
5. Step 5: Solve for x
   x = 132,400,722.24/13,028.98
6. Step 6: Final answer
   x = 10,162.02