Finding the Fourth Proportional to 9,767.55, 14,617.29 and 7,992.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,767.55 : 14,617.29 = 7,992.03 : x
2. Step 2: Convert to fraction form
   9,767.55/14,617.29 = 7,992.03/x
3. Step 3: Cross multiply
   9,767.55x = 14,617.29 × 7,992.03
4. Step 4: Simplify right side
   9,767.55x = 116,821,820.20
5. Step 5: Solve for x
   x = 116,821,820.20/9,767.55
6. Step 6: Final answer
   x = 11,960.20