Finding the Fourth Proportional to 11,766.27, 17,648.87 and 3,975.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,766.27 : 17,648.87 = 3,975.15 : x
2. Step 2: Convert to fraction form
   11,766.27/17,648.87 = 3,975.15/x
3. Step 3: Cross multiply
   11,766.27x = 17,648.87 × 3,975.15
4. Step 4: Simplify right side
   11,766.27x = 70,156,885.70
5. Step 5: Solve for x
   x = 70,156,885.70/11,766.27
6. Step 6: Final answer
   x = 5,962.54