Finding the Fourth Proportional to 12,769.53, 17,620.91 and 7,104.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,769.53 : 17,620.91 = 7,104.29 : x
2. Step 2: Convert to fraction form
   12,769.53/17,620.91 = 7,104.29/x
3. Step 3: Cross multiply
   12,769.53x = 17,620.91 × 7,104.29
4. Step 4: Simplify right side
   12,769.53x = 125,183,957.72
5. Step 5: Solve for x
   x = 125,183,957.72/12,769.53
6. Step 6: Final answer
   x = 9,803.34