Finding the Fourth Proportional to 9,920.34, 14,882.55 and 8,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,920.34 : 14,882.55 = 8,066.88 : x
2. Step 2: Convert to fraction form
   9,920.34/14,882.55 = 8,066.88/x
3. Step 3: Cross multiply
   9,920.34x = 14,882.55 × 8,066.88
4. Step 4: Simplify right side
   9,920.34x = 120,055,744.94
5. Step 5: Solve for x
   x = 120,055,744.94/9,920.34
6. Step 6: Final answer
   x = 12,101.98