Finding the Fourth Proportional to 11,861.14, 17,793.87 and 3,962.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861.14 : 17,793.87 = 3,962.91 : x
2. Step 2: Convert to fraction form
   11,861.14/17,793.87 = 3,962.91/x
3. Step 3: Cross multiply
   11,861.14x = 17,793.87 × 3,962.91
4. Step 4: Simplify right side
   11,861.14x = 70,515,426.30
5. Step 5: Solve for x
   x = 70,515,426.30/11,861.14
6. Step 6: Final answer
   x = 5,945.08