Finding the Fourth Proportional to 6,191.58, 8,545.50 and 3,954.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,191.58 : 8,545.50 = 3,954.15 : x
2. Step 2: Convert to fraction form
   6,191.58/8,545.50 = 3,954.15/x
3. Step 3: Cross multiply
   6,191.58x = 8,545.50 × 3,954.15
4. Step 4: Simplify right side
   6,191.58x = 33,790,188.83
5. Step 5: Solve for x
   x = 33,790,188.83/6,191.58
6. Step 6: Final answer
   x = 5,457.44