Finding the Fourth Proportional to 11,874.72, 17,809.28 and 5,297.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,874.72 : 17,809.28 = 5,297.36 : x
2. Step 2: Convert to fraction form
   11,874.72/17,809.28 = 5,297.36/x
3. Step 3: Cross multiply
   11,874.72x = 17,809.28 × 5,297.36
4. Step 4: Simplify right side
   11,874.72x = 94,342,167.50
5. Step 5: Solve for x
   x = 94,342,167.50/11,874.72
6. Step 6: Final answer
   x = 7,944.79