Finding the Fourth Proportional to 9,969.30, 14,929.65 and 4,769.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.30 : 14,929.65 = 4,769.10 : x
2. Step 2: Convert to fraction form
   9,969.30/14,929.65 = 4,769.10/x
3. Step 3: Cross multiply
   9,969.30x = 14,929.65 × 4,769.10
4. Step 4: Simplify right side
   9,969.30x = 71,200,993.82
5. Step 5: Solve for x
   x = 71,200,993.82/9,969.30
6. Step 6: Final answer
   x = 7,142.03