Finding the Fourth Proportional to 16,774.72, 25,157.58 and 7,992.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,774.72 : 25,157.58 = 7,992.16 : x
2. Step 2: Convert to fraction form
   16,774.72/25,157.58 = 7,992.16/x
3. Step 3: Cross multiply
   16,774.72x = 25,157.58 × 7,992.16
4. Step 4: Simplify right side
   16,774.72x = 201,063,404.57
5. Step 5: Solve for x
   x = 201,063,404.57/16,774.72
6. Step 6: Final answer
   x = 11,986.10