Finding the Fourth Proportional to 11,753.94, 17,629.18 and 3,431.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,753.94 : 17,629.18 = 3,431.72 : x
2. Step 2: Convert to fraction form
   11,753.94/17,629.18 = 3,431.72/x
3. Step 3: Cross multiply
   11,753.94x = 17,629.18 × 3,431.72
4. Step 4: Simplify right side
   11,753.94x = 60,498,409.59
5. Step 5: Solve for x
   x = 60,498,409.59/11,753.94
6. Step 6: Final answer
   x = 5,147.07