Finding the Fourth Proportional to 9,668.96, 14,492.82 and 4,989.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,668.96 : 14,492.82 = 4,989.30 : x
2. Step 2: Convert to fraction form
   9,668.96/14,492.82 = 4,989.30/x
3. Step 3: Cross multiply
   9,668.96x = 14,492.82 × 4,989.30
4. Step 4: Simplify right side
   9,668.96x = 72,309,026.83
5. Step 5: Solve for x
   x = 72,309,026.83/9,668.96
6. Step 6: Final answer
   x = 7,478.47