Finding the Fourth Proportional to 11,755.64, 17,635.89 and 3,964.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,755.64 : 17,635.89 = 3,964.25 : x
2. Step 2: Convert to fraction form
   11,755.64/17,635.89 = 3,964.25/x
3. Step 3: Cross multiply
   11,755.64x = 17,635.89 × 3,964.25
4. Step 4: Simplify right side
   11,755.64x = 69,913,076.93
5. Step 5: Solve for x
   x = 69,913,076.93/11,755.64
6. Step 6: Final answer
   x = 5,947.19