Finding the Fourth Proportional to 11,742.64, 17,616.69 and 3,951.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,742.64 : 17,616.69 = 3,951.45 : x
2. Step 2: Convert to fraction form
   11,742.64/17,616.69 = 3,951.45/x
3. Step 3: Cross multiply
   11,742.64x = 17,616.69 × 3,951.45
4. Step 4: Simplify right side
   11,742.64x = 69,611,469.70
5. Step 5: Solve for x
   x = 69,611,469.70/11,742.64
6. Step 6: Final answer
   x = 5,928.09