Finding the Fourth Proportional to 9,663.57, 14,504.85 and 4,736.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,663.57 : 14,504.85 = 4,736.79 : x
2. Step 2: Convert to fraction form
   9,663.57/14,504.85 = 4,736.79/x
3. Step 3: Cross multiply
   9,663.57x = 14,504.85 × 4,736.79
4. Step 4: Simplify right side
   9,663.57x = 68,706,428.43
5. Step 5: Solve for x
   x = 68,706,428.43/9,663.57
6. Step 6: Final answer
   x = 7,109.84