Finding the Fourth Proportional to 11,951.34, 17,922.50 and 3,515.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,951.34 : 17,922.50 = 3,515.30 : x
2. Step 2: Convert to fraction form
   11,951.34/17,922.50 = 3,515.30/x
3. Step 3: Cross multiply
   11,951.34x = 17,922.50 × 3,515.30
4. Step 4: Simplify right side
   11,951.34x = 63,002,964.25
5. Step 5: Solve for x
   x = 63,002,964.25/11,951.34
6. Step 6: Final answer
   x = 5,271.62