Finding the Fourth Proportional to 6,861.13, 9,468.30 and 3,717.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.13 : 9,468.30 = 3,717.31 : x
2. Step 2: Convert to fraction form
   6,861.13/9,468.30 = 3,717.31/x
3. Step 3: Cross multiply
   6,861.13x = 9,468.30 × 3,717.31
4. Step 4: Simplify right side
   6,861.13x = 35,196,606.27
5. Step 5: Solve for x
   x = 35,196,606.27/6,861.13
6. Step 6: Final answer
   x = 5,129.86