Finding the Fourth Proportional to 12,769.41, 17,621.46 and 7,104.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,769.41 : 17,621.46 = 7,104.15 : x
2. Step 2: Convert to fraction form
   12,769.41/17,621.46 = 7,104.15/x
3. Step 3: Cross multiply
   12,769.41x = 17,621.46 × 7,104.15
4. Step 4: Simplify right side
   12,769.41x = 125,185,495.06
5. Step 5: Solve for x
   x = 125,185,495.06/12,769.41
6. Step 6: Final answer
   x = 9,803.55