Finding the Fourth Proportional to 13,044.72, 17,997.32 and 7,378.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,044.72 : 17,997.32 = 7,378.80 : x
2. Step 2: Convert to fraction form
   13,044.72/17,997.32 = 7,378.80/x
3. Step 3: Cross multiply
   13,044.72x = 17,997.32 × 7,378.80
4. Step 4: Simplify right side
   13,044.72x = 132,798,624.82
5. Step 5: Solve for x
   x = 132,798,624.82/13,044.72
6. Step 6: Final answer
   x = 10,180.26