Finding the Fourth Proportional to 6,113.50, 8,436.81 and 3,319.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,113.50 : 8,436.81 = 3,319.18 : x
2. Step 2: Convert to fraction form
   6,113.50/8,436.81 = 3,319.18/x
3. Step 3: Cross multiply
   6,113.50x = 8,436.81 × 3,319.18
4. Step 4: Simplify right side
   6,113.50x = 28,003,291.02
5. Step 5: Solve for x
   x = 28,003,291.02/6,113.50
6. Step 6: Final answer
   x = 4,580.57