Finding the Fourth Proportional to 6,109.02, 8,420.61 and 4,116.11

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.02 : 8,420.61 = 4,116.11 : x
2. Step 2: Convert to fraction form
   6,109.02/8,420.61 = 4,116.11/x
3. Step 3: Cross multiply
   6,109.02x = 8,420.61 × 4,116.11
4. Step 4: Simplify right side
   6,109.02x = 34,660,136.45
5. Step 5: Solve for x
   x = 34,660,136.45/6,109.02
6. Step 6: Final answer
   x = 5,673.60