Finding the Fourth Proportional to 6,485.48, 9,715.91 and 3,847.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,485.48 : 9,715.91 = 3,847.41 : x
2. Step 2: Convert to fraction form
   6,485.48/9,715.91 = 3,847.41/x
3. Step 3: Cross multiply
   6,485.48x = 9,715.91 × 3,847.41
4. Step 4: Simplify right side
   6,485.48x = 37,381,081.96
5. Step 5: Solve for x
   x = 37,381,081.96/6,485.48
6. Step 6: Final answer
   x = 5,763.81