Finding the Fourth Proportional to 9,642.76, 14,446.62 and 8,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642.76 : 14,446.62 = 8,092.72 : x
2. Step 2: Convert to fraction form
   9,642.76/14,446.62 = 8,092.72/x
3. Step 3: Cross multiply
   9,642.76x = 14,446.62 × 8,092.72
4. Step 4: Simplify right side
   9,642.76x = 116,912,450.61
5. Step 5: Solve for x
   x = 116,912,450.61/9,642.76
6. Step 6: Final answer
   x = 12,124.38