Finding the Fourth Proportional to 6,104.50, 8,419.86 and 3,976.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,104.50 : 8,419.86 = 3,976.12 : x
2. Step 2: Convert to fraction form
   6,104.50/8,419.86 = 3,976.12/x
3. Step 3: Cross multiply
   6,104.50x = 8,419.86 × 3,976.12
4. Step 4: Simplify right side
   6,104.50x = 33,478,373.74
5. Step 5: Solve for x
   x = 33,478,373.74/6,104.50
6. Step 6: Final answer
   x = 5,484.21